Question

1)(6.0 × 10 to the 5th power) × (3.0 × 10 to the 4th power)

A) 18 × 10 to the 20th power.
B) 18 × 10 to the 9th power.
C) 1.8 × 10 to the 20th power.
D) 1.8 × 10 to the 9th power.


2)(5 × 10 to the -2 power) ÷ (2 × 10 to the 3rd power)

A) 2.5 × 10 to the -5 power.
B) 2.5 × 10 to the -1 power.
C) 2.5 × 10 to the 1st power.
D) 2.5 × 10 to the 2nd power.


3)(2.56 × 10 to the 6th power) × (3.56 × 10 to the 2nd power)

A) 9.1136×10 to the 12th power.
B) 91.136×10 to the 8th power.
C) 9.1136×10 to the 8th power.
D) 91.136×10 to the 12th power.


4) In a recent near, the population of California was about (2.52 × 10 to the 7th power) people. It's land area is about (4.05 × 10 to the 5th power) Km to the 2nd power. What has the average number of people per square kilometers?

A) 0.62 × 10 to the 5th power.
B) 6.2 × 10 to the 1st power.
C) 0.62 × 10 to the 14th power.
D) 6.2 × 10 to the 9th power.

Answer 1

A math tutor will be able to check your answers once you post them.

Answer 2

1. When multiplying, add the exponents:
6*10^5 * 3*10^4 = 18*10^9.

2.

3. 2.56*10^6 * 3.56*10^2 = 9.1136*10^8.

4. When dividing, subtract the exponent in the denominator from the
exponent in the numerator:
2.52*10^7/4.05*10^5 = 0.62*10^2 = 6.2*10^1.

Answer 3

Hi, I'd like to say i hate the Kid Laroi he made my new song Stay sound horrible and he argued with me about at least putting one cuss word n the song. I hope we can get rid of the Kid Laroi soon. A 17 year old shouldnt be cussing this much

Answer 4

Make sure to upvote this comment :D

I upvote is one prayer for the Kid Laroi to be gone

Answer 5

Bro I hate you Justin you're so rude I'm 17 I have the rights to cuss don't worry about me worry about yourself.

Answer 6

I be that was you who downvoted my comment :P

Answer 7

Actually it was me :)

Answer 8

Oh my god Justin I'm your biggest fan

Answer 9

Penny "Stay" on task

Answer 10

See what i did there?

Answer 11

Not funny.

Answer 12

Mr. Wilson Just got roasted haha

Answer 13

1. When multiplying, add the exponents:
6*10^5 * 3*10^4 = 18*10^9.

2.

3. 2.56*10^6 * 3.56*10^2 = 9.1136*10^8.

4. When dividing, subtract the exponent in the denominator from the
exponent in the numerator:
2.52*10^7/4.05*10^5 = 0.62*10^2 = 6.2*10^1.

Answer 14

Correct

Answer 15

lol nice name

Answer 16

thanks :P

Answer 17

im going to do now

Answer 18

Okay bye and thank you for the answer