Question

Let's estimate .

(a) Round each number to the nearest ten.
83 rounds to ___

275 rounds to ___

(b) Add the rounded numbers.

_______

Answer 1

(A)
83/80
275/280
(B)
456/460
155/160

Answer 2

Explanation:

(a) 80

280

(b) 280+80 = 360

hope it helps!