It is 910 - 730 = 900 - 720 (subtractin 10 from each term)
= 180.
910 - 730 = 180
What I'd the estimate for 726×5
There are 6 factor pairs of 726: 726 = 1 x 726 726 = 2 x 363 726 = 3 x 242 726 = 6 x 121 726 = 11 x 66 726 = 22 x 33
726 is 110% of 660.
726 363,2 121,3,2 11,11,3,2
726 rounded to the nearest ten is 730.
What I'd the estimate for 726×5
To estimate the difference, you find the difference first. To find the difference, you subtract the numbers you are given. Then you estimate your final answer (the difference).
1% of 908 = 1% * 908 = 0.01 * 908 = 9.08
80% of 726 = 80% * 726 = 0.8 * 726 = 580.8
110% of 726= 110% * 726= 1.1 * 726= 798.6
There are 6 factor pairs of 726: 726 = 1 x 726 726 = 2 x 363 726 = 3 x 242 726 = 6 x 121 726 = 11 x 66 726 = 22 x 33
396+512=908 Not clear what the point of the question was, you may want to adjust it.
1405-908 = 497
908
The positive integer factors of 908 are: 1, 2, 4, 227, 454, 908
908 454,2 227,2,2
908