What is 4,500,000,000 in scientific notation? A. 45 x 10^-7
B. 4.5 x 10^9
C. 4.5 x 10^-9
D. 4.5 x 10^8

B.  4.5 x 10^9.

Step-by-step explanation:

Scientific notation is of the form:

N x 10^n   where  1  ≤ N < 10 and n is an integer ( ≠ 0)

We count the number of digits after the first one ( 4) - this comes to 9.

So the correct  answer is 4.5 * 10^9.

its definatley   this on your answer choice?

answer: answer is c!

ok i got to organize the

3/15 and 12/55

3*

aha

3*4 equals 12 but not

a: no

b:

8/24 12/35

no

gautie

it's c

5/18 = 25/90

5*5=25

18*5 = 90

hope that you!

one more happy customer!

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step-by-step explanation: