Worth 20 points part a: if (72)x = 1, what is the value of x? explain your answer. part b: if (70)x = 1, what are the possible values of x? explain your answer.

109 trust me

step-by-step explanation:

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step-by-step explanation:

see explanation

step-by-step explanation:

since the sequence is geometric there is a common ratio r between consecutive terms, that is

r = 4 ÷ - 2 = - 2

r = - 8 ÷ 4 = - 2

r = 16 ÷ 8 = - 2

the next term - 13 must be incorrect as it should be - 32 for the sequence to be geometric.

the first 4 terms are therefore geometric with common ratio r = - 2