7.85
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37.68 nearly = 40.
4.8 nearly = 5
So 37.68/4.8 nearly = 40/5 = 8
Actually, it is 7.85. So the estimate is less than 2% off the correct value.
119.3333
6.9877
The best way to estimate a quotient using compatible numbers is to first understand how compatible numbers work. They are numbers that are close in value to the actual numbers and are easily added, subtracted or divided.
To determine if 2750 is a reasonable answer for 917 multiplied by 33, we can estimate the result using rounding. Rounding 917 to the nearest hundred gives us 900, and rounding 33 to the nearest ten gives us 30. Multiplying 900 by 30 gives us 27,000, which is close to 2750. Therefore, 2750 is a reasonable estimate for the product of 917 and 33.
Well, darling, front-end estimation involves looking at the leftmost digits to get a quick ballpark figure, then adjusting for accuracy. Rounding just gives you a rough estimate without considering the actual numbers. So, if you want a more precise estimate, front-end estimation and adjusting is the way to go.