Question

HELP PLEASE!!!

Use the rules of significant figures to simplify the following expression:
14.1 •9

Answer 1

100

Explanation:

Step 1:

Multiple 14.1 by 9 = 126.9

Step 2:

Round to the significant figure

Step 3:

Answer is 100

Answer 2

100

Explanation:

We are given that an expression

`14.1\cdot 9`

We have to simplify the expression by using the rules of significant figures

In 14.1 , three significant figures

In 9, only one significant figure

We know that in multiply

Least number of significant figures in any number of the expression determine the significant figures in the answer.

`14.1\cdot 9=126.9`

Therefore, by using this rule

The answer is 100.