Estimation is a important skill to know when adding and subtracting decimals because if you estimate you have an idea on what your answer should be close to.
For example 4.68-2.38 could be 5-2 which is 3. 4.68-2.38 equals 2.3. 2.3 is close to 3.
Answer:
Gold : total
35 : 103
Step-by-step explanation:
USA gold = 35
Total usa = 103
Gold : total
35 : 103
Do you mean checking your work? In that case it would be 9*20.
