Question

Determine the number of terms in the arithmetic sequence below:-70, -69, -68, ..., 37, 38, 39, 40

Answer 1

Number of terms of sequence N

Difference D = -1

Then there are here

In negative part, 70 numbers

In positive x line, 40 numbers

And add also zero

Then, ANSWER IS

N= 70 + 40 + 1

. = 111

There are 111 numbers