Directions
There’s often more than one way to write a number with exponents. For example 81 can be written as 3⁴ and as 9².
3⁴ = 3 × 3 × 3 × 3 = 81
9² = 9 × 9 = 81
See how 3⁴ and 9² are equal to each other:
3⁴ = 3 × 3 × 3 × 3
= (3 × 3) × (3 × 3)
= (9) × (9) = 9²