Question

round off 5.20763 to correct to the three significant figures​

Answer 1

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Given :

5.20763

To find :

Rounding off to three significant figure

Solution :

5.20763

Step 1 : Round 5.20763 to 1 significant figure

5 | .20763 to 1 significant figure is 5.00000 or 5

Step 2 : Round 5.20763 to 2 significant figures

5.2 | 0763 to 2 significant figure is 5.20000 or 5.2

Step 3 : Round 5.20763 to 3 significant figures

5.20 | 763 to 3 significant figure is 5.21000 or 5.21

$\tt\ 5.20763 \: to \: three \: significant \: figures \: is$

$\huge\boxed{ \underline \purple{5.21} }$

Ways To round to a significant figure:

• If you have to round to one significant figure, look at the first non-zero digit .
• If you have to round to one significant figurelook at the digit after the first non-zero digit
• Now,for our convenience , draw a vertical line after the place value digit that is required.
• Then, look at the next digit :
• If it's 5 or more, increase the previous digit by one
• If it's 4 or less, keep the previous digit the same.
• Then, fill any spaces to the right of the line with zeros, stopping at the decimal point if there is one. Example :- 12346 → 12000

Answer 2

Answer:

5.21

Step-by-step explanation:

5.20/763

We will add 1 in 0 since 7 is above 5

=5.21