What is 126,945 rounded to the nearest thousand

126, 945 rounded to the nearest thousand is 127,000.

The answer is 127,000. To round to the nearest thousand, find the thousands place, look at the number that is in the hundreds place. If the number is 5 or more, change the thousands-place number by one. (Ex. If number in the thousand place is 7, change it to 8. If 9, change it to 0 and change the ten thousand place by one.) If the hundred-place number is 4 or less, don't change the thousand-place number. When your done with that, change every digit below the thousands place to zeros.

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.