Mathematics - Functions - Logarithmic - Introduction to logarithms - The Inverse Question

Present 5 exponential questions but ASK THEM BACKWARDS: (1) '2 to what power gives 8?' (3). (2) '10 to what power gives 1000?' (3). (3) '5 to what power gives 125?' (3). (4) '2 to what power gives 64?' (6). (5) '3 to what power gives 81?' (4). The student types the exponent. Reveal: 'This backwards