Evaluate
`13times13times13times a times a times a times a times a times b times b times b times b `

Evaluate 8times b times b times b times a times a times a times a

Write the following in the exponential form: (a) b times b times b times...10 times. (b) y times y times...15 times (c) 9times a times a times a times b times b times b times b times b (d)8times x times x times y times y times y

Evaluate a times a times c times c times c times c times d

Evaluate: 28 times 13

Evaluate: (1) times (1) times (1) times (1) times (-1) times (-1) times (-1) times (-1) times (-1) times (-1) times (-1)

Evaluate: (-3) times (-4) times (-5) times (-6) times 7

Evaluate: (-3) times (-4) times (-6) times 7 times (-2)

Evaluate: a. (-1) times (-1) times (-1) times (-1) times (-1) times (-1) times (-1) times (-1) (-1) times (-1) times (-1) times (-1) times (-1) times (-1) times (-1) times (-1)times (-1) times (-1) times (-1)

Evaluate: (-2) times (-2) times (-2) times (-2) times (-2) times (-2)

Evaluate: (-2) times (-3) times (-1) times (-4) times (-7)