Question

Identify the number of significant digits in 0.04502 s.
3
04
05
06

Answer 1

04

Explanation:

Any number from 1 to 9 is a significant figure in group of numbers.

Remember

1. When 0 is before 1,2,3 to 9 is not a significant number.

2. But when 0 is between 1,2,3 to 9 is termed as a significant figure. it applies to decimal numbers.

from 0.04502

you can see from 4 to 2 are significant digits including 0 since it is between them.

so in counting starting from 4 to 2, there are 4 significant digits

Answer 2

`\huge\boxed{\sf 4 \ s.fs}`

Explanation:

Main rules of significant figures:

• All non-zero digits are counted as significant figures.
• Zeroes on the left side are not counted as significant figures.
• Zeroes on the right side or in between non-zero digits are counted as significant figures.

Solution:

So, looking at the rules of significant figures, we can deduce that the number 0.04502 has 4 significant figures.

`\rule[225]{225}{2}`