Question 1 (Multiple Choice Worth 1 points)
(01.01 MC)
Which decimal number best describes the fraction fraction 137 over 6?
*** A repeating decimal 22.83 with a bar over 3
A terminating decimal 22.83
A repeating decimal 22.82 with a bar over 2
A terminating decimal 22.82
Question 2 (Multiple Choice Worth 1 points)
(01.07 MC)
The amounts of household waste generated in a region during two years were 23,400,000 tons and 48,100,000 tons. What was the total household waste generated over these two years in the region, expressed in scientific notation?
***7.15 ⋅ 107 tons
7.15 ⋅ 1014 tons
71.5 ⋅ 107 tons
71.5 ⋅ 1014 tons
Question 3 (Multiple Choice Worth 1 points)
(01.03 MC)
Which expression is equivalent to 54 ⋅ 5–6?
5–10
56
***fraction 1 over 5 to the power 2
fraction 1 over 5 to the power negative10
Question 4 (Multiple Choice Worth 1 points)
(01.01 LC)
Which of the following is a rational number?
square root of 79, square root of 80, square root of 81, square root of 82
***square root of 79
square root of 80
square root of 81
square root of 82
Question 5 (Multiple Choice Worth 1 points)
(01.02 LC)
There are (37)2 ⋅ 30 cherries on a farm. What is the total number of cherries on the farm?
35
39
***314
349
Can anyone check these for me please?
3 answers
01.07 ok
01.03 ok
The usual online notation for exponents is ^
5^4 * 5^-6 = 5^-2 = 1/5^2
all those words are just irritating
01.01 Nope. √81 = 9
01.02 ??
37^2 * 30 = 41070
(37)2 * 30 = 37*2*30 = 2220
Now sure how you get 314. Maybe your notation is obscuring the problem.
3 answers