To estimate a square root, find the two perfect squares the number is closest to, then continue with further decimals, i.e. if the question is square root of 5, it is between 4 and 9. As such, the answer is between 2 and 3. Alternatively, use a calculator for a quick estimation of many decimal points.
Answer:
23.83, The equation = (37.93 - (30 x 0.47))
Step-by-step explanation:
30 x .47 = 14.1
Answer:
9=0.6q where q is the number of questions on the exam.
Step-by-step explanation:
The second one, because negative times negative equal to positive, -2(-y)= 2y