5 x 10 2 x 7 x 10 4 July 8, 2019 16 32 64 128 5 x 10 2 x 7 x 10 4 in standard form 7 2 x 10 3 x 4 x 10 5 Work out 5 x 10 2 x 7 x 10 4 7 x 100 3 x 10 2 x 40 5 x 10 5 x 7 = 35 5 x 5 x 5 x 5 x 5 10 − 5(2x − 1) = 7
