1.

The 23rd term of arithmetic sequence where 3 = 8 and 4 = 13 is,​

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Step-by-step EXPLANATION:

A nswer is :

Q. If 102y = 25, then 10-y equals:

(a) -1/5, (b) 1/625, (C) 1/50, (d) 1/25, (E) 1/5

Solution:

102y = 25

(10Y)2 = 52

10y = 5

1/10y = 1/5

10-y = 1/5

Answer: (e)..



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