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(a).Add 3.8 xx 10^(-6) to 4.2 xx 10^(-5)...

(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.

A

`4.6 x 10^(-5)`

B

`4.6 x 10^(-6)`

C

`4.6 x 10^(-7)`

D

`4.6 x 10^(-8)`

Text Solution

Verified by Experts

The correct Answer is:
A
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