Question

1. What number has been expanded to give
(8×10^3)+(4x10^1) + (5x10^-1)​

Answer 1

Answer:

$(8 \times {10}^{3} ) + (4 \times {10}^{1} ) + (5 \times {10}^{ - 1} ) \\ = (8000) + (50) + (0.5) \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ = 8050.5 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \:$

This is your answer.

Thanks