9 or 9.00 or 0.09 or 0.9?
estimate 43.9+25.4 =69.3 [which is correct 60 or 70 estimating?
2006-07-12 09:51:00 · 6 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
6.29/7 is approximately 0.9
and 69.3 is approximately 70 and not 60
2006-07-12 09:57:32 · answer #1 · answered by Anonymous · 0⤊ 0⤋
for estimates, round numbers to whole numbers, in this case 6.29 is pretty close to 6, so 6 divided by 7 is about 1 or probably 0.9. The other two options are way different from 1, so that's gotta be the answer.
2006-07-12 10:00:05 · answer #2 · answered by Kent 1 · 0⤊ 0⤋
With fractions, think of it as money...
If you have seven people and try to divide $6.29 between them, about how much would each person get?
Probably not $9 each as you only have $6
Probably not $9.00 each as that is the same as the first answer
Probably not $0.09 each as 7x$.09 would only be $.64
$6 divide between 7 people would give them a little less that a dollar each - around $.90. So the answer is 0.9
Again, think of it as money
Is $69.30 closer to sixty dollars or seventy dollars?
2006-07-12 10:00:44 · answer #3 · answered by dewcoons 7 · 0⤊ 0⤋
6.29 / 7 is about 0.9 (6.29 rounds to 6.3 which is 7*0.9)
43.9+25.4 is about 40 + 30 if you round to the tens digit. 40+30=70.
2006-07-12 10:04:35 · answer #4 · answered by Cara B 4 · 0⤊ 0⤋
6.29 divided by 7 is .898 is same like .9
2006-07-12 09:58:55 · answer #5 · answered by natajoromero 2 · 0⤊ 0⤋
9 (.89857142......)closer to 9
69.3 - 70
69.3 is closer to 70 than it is to 60 which is how you arrive at that answer
2006-07-12 10:04:21 · answer #6 · answered by celtic-tides04@sbcglobal.net 2 · 0⤊ 0⤋