When estimating, compatible numbers are numbers that are close in value to the actual numbers, and which make it easy to do mental arithmetic.
Answer:
66
-30
___
36
Step-by-step explanation:
The answer is 36 do 66 minus 36.
its b
Step-by-step explanation:
cuz to sides are the exact same then one side is bigger than the others :)
Answer:
23.1
Step-by-step explanation:
(4.2)(11)(0.5)