Question

Dau coroanq siî followw .!​

Answer 1

$a)m = 45 \times 10 {}^{5} g = 45 \times 10 {}^{5} \times {10}^{ - 3} kg = 45 \times 10 {}^{2} kg \\ \\ \\ b)m = 72 \times 10 {}^{6} mg = 72 \times 10 {}^{6} \times 10 {}^{ - 6} kg = 72 \times 10 {}^{0} = 72kg$