Question

please answer me once​

Answer 1

Answer:

a). (-3)^-4  = 1 / (-3)² ×  1 / (-3)²

                 = 1 / 9  × 1 / 9

                 = 1 / 81 is the correct answer.

b).  1 + 2^-1 + 3^-1 + 4^0 = 1 + 1/2 + 1/3 + 1

                                      =  6 / 6 + 3 / 6+ 2 / 6 + 6 / 6

                                      = 17 / 6 is the correct answer.

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