0
Rounding isn't necessary. The distributive property tells you that 13 x 9 = 90 + 27 = 117
If you have to, you could estimate that 10 x 10 = 100
Wiki User
∙ 7y ago
Wiki User
∙ 7y agoYou do not need to estimate multiplication by 9. 13*9 = 117.
Add your answer:
Earn +20 pts
What is 65.48 - 9.3 estimate by rounding?
65 - 9 = 56
Estimate 5.12 plus 4.35 by first rounding to the nearest whole number?
It is 5 + 4 = 9.
Which numbers are best used to estimate the product of 13 and 31?
Their average is 22 and their difference is 9 so use 22 and 9 13*31 = 222 - 92 = 484 - 81 = 403
What is the estimate of 2 boxes that weigh 9.4 lb and 62.6 lb using rounding and compatible numbers?
9 + 63 = 72 lbs.
How do you estimate 117?
The front end estimate is 100. But estimating a single number, in isolation and without context, is a complete waste of time. If I had to add 117 to 1 trillion, I would estimate it as 0. If I had to add 117 to 0.0000000001, I would use the number as given - not use an estimate.Also, if I had to divided the number by 13 I would use 117 since 117/13 = 9 but if I had to divided it by 24 I might estimate it as 120 because 120/24 = 5.
What is 65.48 - 9.3 estimate by rounding?
65 - 9 = 56
How do you estimate the product by rounding the greater factor 9 x 54?
9X60
Estimate 5.12 plus 4.35 by first rounding to the nearest whole number?
It is 5 + 4 = 9.
Estimate the sum or difference by rounding first 3 67 4 1112?
8/11 + 3/9 8/11 + 3/9
Estimate the total weight of two boxes that weigh 9.4 lb and 62.6 lb using rounding and compatible numbers Which estimate is closer to the actual total weight Why?
9+63+863+9
Estimate 5.12 plus 4.35 by first rounding to the nearest whole number.?
The estimated answer is 20.
Which numbers are best used to estimate the product of 13 and 31?
Their average is 22 and their difference is 9 so use 22 and 9 13*31 = 222 - 92 = 484 - 81 = 403
What does 9 in 489334209 round to?
If you are rounding to the 9 on the right, the number stays the way it is. If you are rounding to the 9 on the left, it rounds to 489000000
What is 489334209 rounded by 9?
If you are rounding to the 9 on the right, the number stays the way it is. If you are rounding to the 9 on the left, it rounds to 489000000
What is the estimate of 2 boxes that weigh 9.4 lb and 62.6 lb using rounding and compatible numbers?
9 + 63 = 72 lbs.
What is 489334209 rounded to?
If you are rounding to the 9 on the right, the number stays the way it is. If you are rounding to the 9 on the left, it rounds to 489000000
What is the number 9 rounded to in the number 489334209?
If you are rounding to the 9 on the right, the number stays the way it is. If you are rounding to the 9 on the left, it rounds to 489000000
