Question

rounded off the following values to three significant figures a)8.3100721cm b) 840021m^2 c) 0021002kg
pls help me is urgent
anubody pls replay me ​

Answer 1

a=8.31cm

b=840m^2

c=210kg

Answer 2

Answer:

Step by step Explanation:

Given:

a) 8.3100721 cm

b) 840021 m²

c) 0021002 kg

To find:rounded off the following values to three significant figures.

Solution:

To find the rounded off upto 3 decimal digits,do keep in mind the rules of finding significant figures.

a) 8.3100721 cm

Ans:8.31 cm

Note: take total three digits as it is,if fourth digit is less than 4.

b)840021 m²

Ans:840 m²

Note: Since fourth term is less than four so third term remains as it is.

c) 0021002 kg

Ans:210 Kg

Note: zeros before number are not considered.

Hope it helps you.

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