angka penting dari 7,500*10*10*10kg per 5,0m*10m*5,0m*4m

7500×10×10×10 kg / 5,0m × 10m × 5,0m × 10m
= 75×10^5kg / 25 × 10² m^4
= 75×10³kg/25 m^4

^ :pangkat