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Perform the following calculations and e...

Perform the following calculations and express the result to proper number of significant figures :
(i) `144.3 m^(2) +(2.54 m xx 8.4 m)`
(ii) `(4.05 xx 10^(2) mL)-(0.0225 xx 10^(2) mL)`
(iii) `(3.50 xx 10^(2) cm)(4.00 xx 10^(6) cm)`

Text Solution

AI Generated Solution

To solve the given calculations and express the results with the proper number of significant figures, we will follow the rules of significant figures for addition, subtraction, multiplication, and division. ### (i) Calculation: **144.3 m² + (2.54 m × 8.4 m)** 1. **Calculate the multiplication first:** \[ 2.54 \, \text{m} \times 8.4 \, \text{m} = 21.336 \, \text{m}^2 ...
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