(6.210to the power of 3)-(4.810to the power of 3)=
6.2×10³ - 4.8×10³ is the same as writing:6200 - 4800.The answer to 6200 - 4800 is 1400.The answer is 1400, or 1.4×10³.
(6.2×1000)-(4.8×1000)=6200-4800=1400=1.4×10 to the power 3
