The area of a square plot in a survey is recorded as $(2 \times 1 0^{2})$ m by $(5 \times 1 0^{1})$ m.
Work out the area of the plot in square metres.

Question

The area of a square plot in a survey is recorded as (2 x 10^2) m by (5 x 10^1) m. Work out the area of the plot in square metres.

Accepted Answer

10000. Area = length x breadth = (2 x 10^2) x (5 x 10^1) = (2 x 5) x 10^(2+1) = 10 x 10^3 = 10^4 = 10000 sq m.

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