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What is the square root of 64/100?

Answer 1

Nathan Axel

#sqrt(64/100) = color(green)(4/5 = 0.8#

In exponents, #color(blue)(sqrt(a/b) = sqrta/sqrtb#

Hence #sqrt(64/100) = sqrt64/sqrt 100 = 8/10 = color(green)(4/5#

PS: #-4/5# could also be the square root of #sqrt(64/100#, but by convention, we only choose the positive value

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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