Question

2×10cm^2= 20×10^-4m^2

how?​

Answer 1

Step-by-step explanation:

1m = 100cm = 10² cm

therefore 1cm = 10^-2 m

1m² = 10⁴ cm²

therefore 1 cm² = 10^-4 m²

that's why 20 cm² = 20 × 10^-4 m²