Answer:
It helps you know if the answer is reasonable because when you do the work and get your answer, you can check if it is close to your estimate, and if it is, it is most likely correct. On the other hand if it is not close to the estimate it is most likely wrong, unless you estimated incorrectly.
Step-by-step explanation:
X equal what umber,and y equal what number?
Answer:
HA HATDOGGGGGGGGG G Haha cjar
Answer:
40000000 800000
Step-by-step explanation:
whats the question here?
Answer:
A rectangle with a width of 5 inches and a length of 7 inches.
A rectangle with a width of 4 inches and a length of 6 inches
Step-by-step explanation: