Which decimal represents 8x1,000+4x 100+7 x 1/10+3x 1/1,000

Letter a (: : : : : : : : : :

Graph a should be your answer

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.