To estimate the sum of 45 and 23, you can round each number to the nearest ten. Rounding 45 gives you 50, and rounding 23 gives you 20. Adding these rounded numbers together, 50 + 20 equals 70. Therefore, the estimated sum of 45 and 23 is approximately 70.
50
23/27 ÷ 45 = 23/27 ÷ 45/1 = 23/27 × 1/45 = (23×1)/(27×45) = 23/1215
9.0721
68
To determine how many times -45 can go into 23, we must divide 23 by -45. The result of this division is a decimal number, which represents the number of times -45 can go into 23. In this case, -45 can go into 23 approximately -0.51 times.
50
23/27 ÷ 45 = 23/27 ÷ 45/1 = 23/27 × 1/45 = (23×1)/(27×45) = 23/1215
22
9.0721
68
45 percent of 23 = 10.35
23+45= = 68
23 is, because it is the most common number in the list.
45 percent of 23 = 10.35
0.5111
-22
45