1.

Add 4.00 xx 10^(-2) , 3.26 xx 10^(-3)and 1 xx 10^(-6)to the correct number of significant digits :

Answer»

`4.3261 XX 10^(-2)`
`4.33 xx 10^(-2)`
`4.3 xx 10^(-2)`
cannot be CALCULATED

SOLUTION :`{:(4.00 xx 10^(-2)),(0.326 xx 10^(-2) ),(0.0001 xx 10^(-2) ) (overline(4.3261 xx 10^(-2) )):}`
` = 4.33 xx 10^(-2)`
(upto two decimal PLACES as in `4.00 xx 10^(-2)`)


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