Question

What is 39,800,000 in scientific notation?A.3.98 x 10*5B.398 x 10*5C.3.98 x 10*7D.39.8 x 10*6

Answer 1

The given number 39,800,000

To put the number in the scientific notation make it in the form

`a*10^n`

Where 1 < a < 10, n is an integer

Divide the given number by 1,000,000 to make it between 1 and 10, then multiply it by 10 ^ 7

`(39800000)/(1000000)=3.98*10^7`

The answer is C