7.2 x 10 5 x 10 3 July 8, 2019 16 32 64 128 7.2 x 10 5 x 10 3 in standard form 7.2 x 10 3 4 x 10 5 7.2 x 10 3 1.2 x 10 5 7.2 x 10 3 divided by 1.2 x 10 5 7.2 x 10 to the power of 5 x 10 to the power of 3 7.2 maths class 10