Question

use the references to access important values if needed for this q how many significant figures are there in each of the following numbers? 0.057 99.91 595.6 0.734502

Explanation:

For 0.057:

Step1: Recall significant figure rules.

Leading zeros (before non - zero digits) are not significant. The non - zero digits here are 5 and 7.

Step2: Count the significant figures.

So, we count the digits 5 and 7. There are 2 significant figures.

For 99.91:

Step1: Recall significant figure rules.

All non - zero digits and zeros between non - zero digits (but here there are no zeros between non - zero digits) are significant. Here we have the digits 9, 9, 9, and 1.

Step2: Count the significant figures.

Counting these digits: 9, 9, 9, 1. There are 4 significant figures.

For 595.6:

Step1: Recall significant figure rules.

All non - zero digits and the decimal part (the 6 here) are significant. The digits are 5, 9, 5, and 6.

Step2: Count the significant figures.

Counting these digits: 5, 9, 5, 6. There are 4 significant figures.

For 0.734502:

Answer:

s:
0.057: 2
99.91: 4
595.6: 4
0.734502: 6