1.

Find the volume of the following addition with due consideration of significant figures 0.75+2.128+15.6.

Answer»

Solution :as this is SUM, we have to CONSIDER decimal places.
Here `15.6`has ONE decimal PLACE.
Here `2.128` is to be rounded off to `1+1=2`decimal places and `0.75 `should be left as it is
`:.2.128=2.13`
`0.75+2.13+15.6=18.48`.
this is to rounded off to one decimal place. The result is `18.5`.


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