Question

number if significant figures in 9.108*10 ratio -31 kg

Answer 1

Heya!!Here is your answer friend ⤵⤵

Significant figure - the number of certain digits and the one doubtful one ( uncertain )

Given number =
$9.108 \times 10 { }^{ - 31} kg$
According to the rules for writing the significant figures ,

✔all non zero digits are significant.

✔powers are not significant .

so the number of significant figures=4


Hope it helps you ✌✌

Answer 2

The number of significant figures = 4

Correct question : The number if significant figures in $\sf 9.108 \times {10}^{-31}\: \:kg$

Given :

$\sf 9.108 \times {10}^{-31}\: \:kg$

To find :

The number if significant figures in $\sf 9.108 \times {10}^{-31}\: \:kg$

Solution :

Step 1 of 2 :

Write down the given mass

Here the given mass is $\sf 9.108 \times {10}^{-31}\: \:kg$

Step 2 of 2 :

Find number of significant figures

We know that the figures that are used in representing a number are called significant figures

In order to count the number of significant figure we follow the below rules

1. The leading zero are used to fix the position of the decimal point. Leading zeroes are not significant

2. In a given number all non zero digits are significant

3. All zeroes which occurs between two non zero digits are significant

4. The digits occurs in the exponents of 10 are not significant

Here the given mass is $\sf 9.108 \times {10}^{-31}\: \:kg$

Thus the significant figures are 9 , 1 , 0 , 8

Hence the number of significant figure = 4

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