You can find the square root of an irrational number by approximating irrational square roots of them, after you use the calculator. (The calculator gives an approximate root also) For example,1. Approximate the square root of 4.3 to the nearest hundredth.Use the calculator, which shows 2. 0736444135.Since 3 < 5 round down to 2.07 and drop the digits to the right of 7.2. Approximate the negative square root of 10.8 to the nearest hundredth.Use the calculator, which shows -3.286335345Since 6 > 5 round up to -3.29 and drop the digits to the right of 8.
969 is approximate to1000 to the nearest thousand1000 to the nearest hundred970 to the nearest ten
516 is approximate to1000 to the nearest thousand500 to the nearest hundred520 to the nearest ten
829 is approximate to1000 to the nearest thousand800 to the nearest hundred830 to the nearest ten
318 is approximate to:0 to the nearest thousand300 to the nearest hundred320 to the nearest ten
82 is approximate to100 to the nearest hundred80 to the nearest ten
25 is approximate to0 to the nearest hundred30 to the nearest ten
15000
1117 is approximate to0 to the nearest ten thousand1000 to the nearest thousand1100 to the nearest hundred1120 to the nearest ten
0.0434 is approximate to0 to the nearest whole number0.0 to the nearest tenth0.04 to the nearest hundredth0.043 to the nearest thousandth
10.5 is approximate to:0 to the nearest hundred10 to the nearest ten11 to the nearest whole number
636 is approximate to1000 to the nearest thousand600 to the nearest hundred640 to the nearest ten