Which expressions are equal to 10 to the power of 5?

10 x 10 x 10 x 10 x 10 - hope this helps :)

If you need an equation, it would be y=2x+8, y would be how long it grew, x being weeks.if you need how long he was asleep, it would be 4 weeks if he started with no beard, the equation would be x=8÷2if he did have a beard before hand, the equation would be 2w+x=8