(6.0x10^5)x(3.0x10^4)=?

18x10^20
18x10^9
1.8x10^20
1.8x10^10

2.(5x10^-2)/(2x10^10=?

2.5x10^-5
2.5x10^-1
25x10^1
25x10^2

3.(2.56x10^6)x(3.56x10^2)=?

9.1136x10^12
91.136x10^8
9.1136x10^8
91.136x10^12

4.In a recent year, the population of California was about 2.52x10^7 people. Its land area is about 4.05x10^5 km^2. What was the average number of people per square kilometer?

0.62x10^5
6.2x10^1
0.62x10^14
6.2x10^9

Is it
a
c
d
b

Answers are

D
A
C
B
CCA Students 8th

JAKE IS CORRECTTTTTTTT

D
A
C
B

jake is correct for connexus students. 100%

Jake is right!

Not a. You have to multiply the coefficients - the numbers

and you add your exponents.

Also,the correct answer only has one number to the left of the decimal point.

The answer for the first one is d.
I agree with your answer for the last one.
Retry the other 2.

jake correct

Is #3-C

Thanks 💖

jake is correct

T pose

jake is correct

thanks jake