8.7 Since you want to round to the nearest whole number, add 0.5 to 8.7 and you 0.5 get 9.2 and now truncate everything but the whole number and the answer is 9 ___ 9.2 ___
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+
An alternative which cuts out a step, is to round down if the decimal part is less than 0.5, round up if 5 and above.
0
The answer is 80
87 is, itself, a whole number.
It is already rounded to a greater extent than that.
87% of 46 = 0.87 * 46 = 40.02.Assuming you can only score whole marks then you will need to score 41 out of 46 to be certain (although 40 out of 46 would also be rounded up to 87 as the nearest whole percentage, which might be done.)
0
If 87 is rounded off to the nearest hundred 100 the answer is 100. Because the hundred place number is nothing means 0 . Let's see how it is solved. The number 87 ,8 is greater than5 .
90
Square root of 87 is 9.3. Which is rounded to the nearest tenth.
90
The answer is 80
The best estimate for 83.74 plus 2.93 can be found by rounding each number to the nearest whole number. Rounding 83.74 to the nearest whole number gives us 84, and rounding 2.93 to the nearest whole number gives us 3. Adding these rounded numbers together gives us an estimate of 84 + 3 = 87.
87 is, itself, a whole number.
90
It is already rounded to a greater extent than that.
45%
87.0