Question

express in standard form0.000000045​

Answer 1

$0.000000045 = \frac{45}{1000000000} \\ \\ = > 45 \times {10}^{ - 9} \\ \\ = > (4.5 \times 10) \times {10}^{ - 9} \\ \\ = > 4.5 \times {10}^{1 + ( - 9)} = 4.5 \times {10}^{ - 8}$

______________________________

Fóllòw Më ❤