Question

estimate the following 87+21​

Answer 1

Answer:

$estimating \: to \: the \: nearest \: tens$

$so \: 87 = 90 \: and \: 21 = 20$

$adding \:$

$90 + 20 = 110$

Answer 2

Answer:

110

Step-by-step explanation:

Given,

87 + 21

= 108

When estimated,

Since,

In one's place of 108 there is 8 , so it will be estimated to 10 and then,

So, answer = 110 (estimated)