radius of bigger circle= 28cm radius of smaller circle= 5cm length of rectangle= 5cm breadth of rectangle =3cm find area of remaining sheet. pie =22upon /3.14

The first digit is in the middle school 100s place

The difference is 5,100m?

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.