Question

The diameter of a carbon atom is 0.000 000 000 154 m. what is this number expressed in scientific notation?

a. 1.54 10 m
c. 1.54 10 m
b. 1.54 10 m
d. 1.54 10 m

Answer 1

That would be 1.54 ^ 10^-10

Answer 2

`1.54. 10^(-10) m`

Explanation:

Scientific notation is a way of writing large or small numbers.

A number is written in scientific notation when is between 1 and 10 and is multiplied by a power of 10.

When we run the comma from left to right, the power of 10 will be negative.

When we run the comma from right to left, the power of 10 will be positive.

The diameter of a carbon atom expressed in scientific notation is

`0.000 000 000 154m= 1.54. 10^(-10) m`