How do i write 2 tens and 7 tenths as a decimal?

To write 2 tens and 7 tenths as a decimal, first convert each part: 2 tens is 20, and 7 tenths is 0.7. Then, combine them by adding these two values: 20 + 0.7 equals 20.7. Therefore, 2 tens and 7 tenths as a decimal is 20.7.