What is the value of (5.0 xx 10^(-6)(5.0...

What is the value of `(5.0 xx 10^(-6)(5.0xx10^(-8)` with due regards to significant figures ?

`2.50 xx 10^(-13)`

`25.0xx10^(-14)`

`25xx10^(-14)`

`250xx10^(-15)`

Text Solution

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The correct Answer is:

(c )

`(5.0xx10^(-6))(5.0xx 10^(-8)) = 25xx10^(-14)`, as the multiplication can have two significant figures in this case.

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(a).Add 3.8 xx 10^(-6) to 4.2 xx 10^(-5) with due regard to significant figures. (b). Subtract 3.2 xx 10^(-6) from 4.7 xx 10^(-4) with regard to significant figures. ( c ). Subtract 1.5 xx 10^(3) from 4.8 xx 10^(4) with due regard to significant figures.

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