SOLUTION: question # 1 : this is for pre-algebra and its front-end estimation 1) 4.60 + 5.53

Question 248446: question # 1 : this is for pre-algebra and its front-end estimation
1) 4.60 + 5.53
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
4.60 +5.53
4.60+5.50=10.10
Estimating by Front End Estimation
Front end estimation mostly produces a closer estimate of sums or differences than the answer produced by adding or subtracting rounded numbers.
How to estimate a sum by front end estimation:
* Add the digits of the two highest place values
* Insert zeros for the other place values

* Example 1: 4496 + 3745 is estimated to be 8100 by front end estimation (i.e. 4400 + 3700).
* Example 2: 4496 + 745 is estimated to be 5100 by front end estimation (i.e. 4400 + 700).

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