Squares and square roots
1. a whole number that has only two factors, 1 and itself
4. The product of the same two factors
7. a) Jamies backyard has an aria of 100m squared. Determine he prime factorization of 100. Show your work.
b) Is 100 a perfect square? Explain your thinking.
Yes it is, 10x10=100
2. a) When I use a calculator the square root of a natural number that is a perfect square, I get a perfect number as my answer.
b) When I use a calculator to get the square root of a natural number that is not a perfect square, the answer the calculator gives me has a decimal in it. This is not an exact answer. It is a(n) decimal.
q. 7 ) Martina's painting is on a square canvas with an ara of 45cm squared. She needs to buy a frame for the painting. Estimate the square's side length to one decimal place. Show your work
6.7x6.7= 44.89 = 45cm2
10 ) Aarons parents went to buy an area rug for their 4m x 4m living room. They want space around the rug. The rug itself cannot take up more than 90% of the living room. What is the maximum size of rug they can buy? Show your work.