Question

What is 96,989,200 written in scientific notation?A.96.9892 × 10*5B.9.69892 × 10*7C.9.69892 × 10*6D.9.69892 × 10*8

Answer 1

Hello!

First, let's remember just one thing about scientific notation:

• The numbers in scientific notation can be written in the interval from 1 to 9.999...

`1\le x<10`

Knowing it, let's answer your question.

We have the number 96,989,200. Notice that as it must be bigger than 1 and smaller than 10, we have to change the dot, look at the image:

Notice that as the dot was dislocated 7 units to left, so we can rewrite this number as:

`9.69892\cdot10^7`

Right answer: B.