Question

the number of significant figure in all measured value 25.12,200.9,4.156 and 1.217x10^4 is

Answer 1

in 25.12=4,200.9=4,
4.156=4,. 1.217×10^⁴=4
REMEMBER THAT ALL NON ZERO ARE SIGNIFICANT
I may give u to learn rule

Answer 2

The number of significant figure in all measured value$25.12, 200.9, 4.156, 1.217\times10^4$  is 4.

Explanation:

Given numbers are = $25.12, 200.9, 4.156, 1.217\times10^4$

Number of significant digit

              $25.12 \rightarrow 4 \\200.9 \rightarrow 4 \\4.156 \rightarrow 4 \\1.217\times10^4 \rightarrow 4$

Hence, the number of significant figure in all measured value$25.12, 200.9, 4.156, 1.217\times10^4$  is 4.

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