Write each number in scientific notation.
(a) 63,000
The first nonzero digit is The decimal point should be moved places.
$$
63,000=\longrightarrow \times 10^{-}
$$
(b) 0.0571 The first nonzero digit is The decimal point should be moved $\longrightarrow$ places.
$$
0.0571=\longrightarrow \times 10^{-}
$$