Question

by what number should (7) power -2 be
multiplied so that the product may
be equal to (343) power -1 ?​

Answer 1

Answer:

it should be multiplied by 7

Answer 2

Answer:

product...= 343-¹

one no.. = 7-²

let the other no. be x

so.... ATQ

7-² * x= 343-¹

(1/7)² * x = (1/343)

1/49 * x = 1/343

x = 1/343÷ 1/49

x= 1/343 * 49

x= 1/7

x= 7-¹

so the no. which is multiplied by 7-² is 7-¹

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