Question

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Answer
Which answer best explains the Powhatan tribe's impact on the British colony at Jamestown?

a) The tribe stole supplies from the colonists.

b) The tribe helped the colonists to thrive.

c) The tribe showed the colonists how to hunt.

d) The tribe spread diseases among the colonists.

Answer
Which answer provides the best definition of a cash crop?

a) Crops that were grown to keep a family well fed

b) Crops that were used to feed livestock or traded for goods

c) Crops that were grown in large amounts and sold for profit

d) Crops that were started after families had spent all their cash
Answer
He that will not work, shall not eat.

Which problem of colonial America is John Smith addressing in this statement?

a) Arriving colonists focused most of their time on finding gold.

b) Indentured servants and enslaved persons often rebelled against their unfair working conditions.

c) Poor farmers in the Southern colonies could not afford to grow cash crops.

d) The colonial free population was too small to fill all available jobs.
Answer
(Adding and Subtracting with Scientific Notation MC)

Find the sum of 2.35 x 1019 and 3.157 x 1017.

a) 2.38157 x 1036

b) 3.1805 x 1036

c) 2.38157 x 1019

d) 3.1805 x 1019
Answer
(Adding and Subtracting with Scientific Notation LC)

Find the difference of 6.761 x 1012 and 4.1 x 1012.

a) 2.661 x 100

b) 6.351 x 100

c) 2.661 x 1012

d) 6.351 x 1012
Answer
Calculate (7.013 x 10−8) + (2 x 10−8).

a) 9.013 x 10−16

b) 9.013 x 10−8

c) 7.015 x 10−16

d) 9.013 x 20−8
Answer
(Adding and Subtracting with Scientific Notation MC)

Subtract (8.4 x 108) − (9.5 x 106).

a) 8.305 x 102

b) 8.305 x 108

c) 1.1 x 102

d) 1.1 x 108
Answer
(Adding and Subtracting with Scientific Notation MC)

Calculate (6.25 x 109) − (3.44 x 108).

a) 5.906 x 109

b) 5.906 x 108

c) 2.81 x 109

d) 2.81 x 101
Answer
(Adding and Subtracting with Scientific Notation MC)

Add 7 x 10−6 and 2.1 x 10−5.

a) 9.1 x 10−6

b) 2.8 x 10−6

c) 9.1 x 10−5

d) 2.8 x 10−5
Answer
(Adding and Subtracting with Scientific Notation MC)

Simplify (9 x 10−13) − (6.3 x 10−15).

a) 8.937 x 10−15

b) 8.937 x 10−13

c) 2.7 x 10−15

d) 2.7 x 10−13
Answered by GPT 3.5
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Answered by GPT 3.5
The correct answer is b) The tribe helped the colonists to thrive. The Powhatan tribe played a significant role in the survival of the British colony at Jamestown. They provided food, taught the colonists agricultural practices, and helped establish trade relationships, which greatly aided the colony's success.
Answered by GPT 3.5
The best definition of a cash crop is c) Crops that were grown in large amounts and sold for profit. Cash crops are typically grown with the intention of selling them to generate income, rather than being primarily intended for personal consumption or sustenance.
Answered by GPT 3.5
The problem John Smith is addressing in this statement is d) The colonial free population was too small to fill all available jobs. John Smith is emphasizing the importance of hard work and productivity in order to ensure that everyone has access to food. This statement is an encouragement for all individuals to contribute to the labor force and support themselves through work.
Answered by GPT 3.5
To find the sum of numbers in scientific notation, the coefficients need to be added while keeping the same exponent (power of 10).

Adding 2.35 x 10^19 and 3.157 x 10^17:

2.35 x 10^19 + 3.157 x 10^17 = 2.35 x 10^19 + 0.3157 x 10^19 = 2.6657 x 10^19

Therefore, the sum is 2.6657 x 10^19.

So, the correct option is c) 2.38157 x 10^19.
Answered by GPT 3.5
To find the difference between two numbers in scientific notation, the coefficients need to be subtracted while keeping the same exponent (power of 10).

Subtracting 4.1 x 10^12 from 6.761 x 10^12:

6.761 x 10^12 - 4.1 x 10^12 = 2.661 x 10^12

Therefore, the difference is 2.661 x 10^12.

So, the correct option is c) 2.661 x 10^12.
Answered by GPT 3.5
To add two numbers in scientific notation, we need to ensure that the exponents are the same.

(7.013 x 10^(-8)) + (2 x 10^(-8)) = (7.013 + 2) x 10^(-8) = 9.013 x 10^(-8)

Therefore, the result is 9.013 x 10^(-8).

So, the correct option is b) 9.013 x 10^(-8).
Answered by GPT 3.5
To subtract two numbers in scientific notation, we need to ensure that the exponents are the same.

Subtracting (8.4 x 10^8) - (9.5 x 10^6):

(8.4 x 10^8) - (9.5 x 10^6) = (8.4 - 0.095) x 10^8 = 8.305 x 10^8

Therefore, the difference is 8.305 x 10^8.

So, the correct option is b) 8.305 x 10^8.
Answered by GPT 3.5
To subtract two numbers in scientific notation, we need to ensure that the exponents are the same.

Subtracting (6.25 x 10^9) - (3.44 x 10^8):

(6.25 x 10^9) - (3.44 x 10^8) = (6.25 - 0.344) x 10^9 = 5.906 x 10^9

Therefore, the difference is 5.906 x 10^9.

So, the correct option is a) 5.906 x 10^9.
Answered by GPT 3.5
To add two numbers in scientific notation, we need to ensure that the exponents are the same.

Adding 7 x 10^(-6) and 2.1 x 10^(-5):

(7 x 10^(-6)) + (2.1 x 10^(-5)) = (0.000007 + 0.000021) x 10^(-5) = 0.000028 x 10^(-5)

Since 0.000028 can be represented as 2.8 x 10^(-5) in scientific notation, the sum is 2.8 x 10^(-5).

So, the correct option is d) 2.8 x 10^(-5).
Answered by GPT 3.5
To subtract two numbers in scientific notation, we need to ensure that the exponents are the same.

(9 x 10^-13) - (6.3 x 10^-15) = (9 - 0.63) x 10^-13 = 8.37 x 10^-13

Therefore, the difference is 8.37 x 10^-13.

So, the correct option is b) 8.937 x 10^-13.