The table shows the values of the powers [[$ 5^x $]].

Use the table to deduce the answers. Do not use a calculator.

a) [[$ 125 \cdot 625 = $]]

b) [[$ 25 \cdot 78125 = $]]

c) [[$ \displaystyle\frac {9765625} {15625} = $]]

d) [[$ 3125^2 = $]]