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Earn +20 ptsQ: What numbers would you use to estimate the sum of 38 and 51?
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What numbers would you use to estimate the sum of 23 and 65?
If I had to, I would use 20 and 70.
What compatible numbers would you use to estimate 129.4 divided by 23?
5.6261
58 divided by 15 write the numbers you would use to estimate the quotient?
3.8667
Two numbers give you the sum of 832?
416, is 832 divided by two, so, adding 416 and 416 together would give it to you, or if you can't use the same numbers, 417 and 415 would work.
Sum of all odd numbers from 1 to 499?
To find the sum of all odd numbers from 1 to 499, we can use the formula for the sum of an arithmetic series. The formula is n/2 * (first term + last term), where n is the number of terms. In this case, there are 250 odd numbers from 1 to 499. So, the sum would be 250/2 * (1 + 499) = 125 * 500 = 62,500.
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