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:
The last part is not there
Step-by-step explanation:
Answer:
1. 104
2. 70
3. 106
4. 56
5. 47
6.87
Step-by-step explanation:
Answer:
0.5 feet × 0.6 feet
Step-by-step explanation:
10/20 = 0.5
12/20 = 0.6