Answer:
[tex]\large\boxed{0.000000057=5.7\cdot10^{-8}}[/tex]
Step-by-step explanation:
[tex]\text{Scientific notation:}\\\\a\cdot10^k\\\\\text{where}\ 1\leq a<10\ \text{and}\ k\in\mathbb{Z}\\-------------------------\\\\0\underbrace{.00000005}_{8\rightarrow}7=5.7\cdot10^{-8}[/tex]
If you move the comma several places to the right, the exponent at 10 is negative.
If you move the comma several places to the left, the exponent at 10 is positive.
