Question

Which expression is the best estimate of the product of 7/8 and 8 1/10?

a) 0 x 8
b) 1 x 10
c) 7 x 8
d) 1 x 8

Answer 1

7/8 is nearly 1, and 8 1/10 is obviously 8.1 (1/10), which is rounded to 8. So th expression that best estimates the products of those numbers is D, 1 * 8.

Answer 2

Given:

7/8 and 81/10 which are to be estimated

To Find:

An estimate of the product of the given numbers

Answer:

1 x 8

Explanation:

First, we consider 7/8.

By dividing,

`(7)/(8)=0.875`

0.875 can be estimated to 1

Next, consider 81/10. Dividing, we see that

`(81)/(10)=8.1`

This can be estimated to 8.

So the product of 7/8 and 81/10 can be closest estimated to the product of 1 and 8.

The required answer is therefore 1 x 8