43*15 = 43*(10+5) = 430 +430/2 = 430 + 215 = 645.
\the exact answer is 648.24, an error of one half of one percent.
40 and 10 respectively
12
148 rounded to the nearest 10 is 150
It is 440.
430
440
The answer would be 150 if you were to round 148 to the nearest ten.
Put 140 to 150 on a number then you check which is the nearest to 148.
150
If you have an exact number what is the need for an estimate?To the nearest whole number, it is 1; to the nearest ten (or larger) it is 0.If you have an exact number what is the need for an estimate?To the nearest whole number, it is 1; to the nearest ten (or larger) it is 0.If you have an exact number what is the need for an estimate?To the nearest whole number, it is 1; to the nearest ten (or larger) it is 0.If you have an exact number what is the need for an estimate?To the nearest whole number, it is 1; to the nearest ten (or larger) it is 0.
To the nearest ten: Zero
To the nearest ten, 30
To the nearest ten, 2670
To the nearest ten, 50