7²⁸ × 7¹⁵ × (⅐)¹³ answer please
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Product of indices with same base = addition
Division = subtract
Here,
First we convert (1/7)
7^28 x 7^15 x 7^ (-13) since 1/7 = 7^ (-1)
Now adding the indices
(7)^ (28+15-13) since 13 has a negative sign
7^ 30 Answer.
Division = subtract
Here,
First we convert (1/7)
7^28 x 7^15 x 7^ (-13) since 1/7 = 7^ (-1)
Now adding the indices
(7)^ (28+15-13) since 13 has a negative sign
7^ 30 Answer.
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