Question

express 40metersquare in centimetersquare

Answer 1

1 meter = 100 cm

. : 1 meter² = 100×100cm²

hence, 40 meter²=40×10⁴ cm²

Answer 2

Answer:

$1m {}^{2} = 10000 \: cm {}^{2}$

$40m {}^{2} = 400000cm {}^{2}$