Sarah made a scale drawing of a dinosaur. She made the height of the dinosaur 2- inches.
The actual height of the dinosaur is 9 feet.
What scale did Sarah use for her drawing?

Convert 9 feet to inches (9x12=108 inches. So your scale is 2:108 or 1:54 after reducing. 1:54.

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.

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