3 years ago

Round off 0.043 to one significant figure

Mathematics

1 answer:

Thepotemich [5.8K]3 years ago

3 0

The answer is .4 because that's the one significant answer that matters.

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What is Sn for the arithmetic series in which a1=16 , an=98 and n =13?

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Given

First term $a_1=16$

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$S_n=\frac{n}{2}[a_1+a_n]$

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$S_n=\frac{13\times 114}{2}$

$S_n=13\times 57$

$S_n=741$

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