Use your calculator to find the value of $1.6\times10^8$1.6×108.
Express your answer as an integer.
Use your calculator to find the value of $1.8\times10^{-6}$1.8×10−6.
Express your answer as a decimal.
Express $7870$7870 using scientific notation.
Express $0.0314$0.0314 using scientific notation.