Question

the estimated sum of 22 and 68 ​

Answer 1

Step-by-step explanation:

Estimate 22=20

Estimate 68=70

Now, Sum of 20+70=90

Answer:

90.

Answer 2

Step-by-step explanation:

given

the estimated sum of 22 and 68

so,

nearest tens of 22=20

nearest tens of 68=70

hence:-

their sum=20+70

=90

I hope it will be helpful