Exponents
How do you express 2 x 2 x 2 in exponent form?
23
What is the square root of 4?
2
Which of the following is a perfect square? Answer and explain.
A. 11
B. 20
C. 4
C. because 2 x 2 = 4.
The sides of a square are 4 inches. What is the area of the square?
The area is 16 inches. (42)
How do you say 65?
"Six to the fifth power."
What is 45 in expanded form?
4 x 4 x 4 x 4 x 4
Solve. √49 =
7
What is the perfect square of 8? Explain.
64 because 8 x 8 = 64.
A square has an area of 81 centimeters. What is the length of its sides?
The sides are 9 centimeters. (the square root of 81)
What do you need to do to the area of a square to find the length of its sides?
Take the square root of the area.
Solve 24
16
The square root of 144
What is 12?
What are the two different ways you can say 52?
"Five to the second power" and "five squared"
What is the perimeter of a square with sides that are 5 inches?
The perimeter is 20 inches. (5+5+5+5)
James makes 152 a week. How much does he make in 3 weeks?
James makes $675 in three weeks.
Solve 63
216
Solve. √9 x √25 =
15
Solve. (perfect square of 7) + (the perfect square of 3+) =
49 + 9 = 58.
The area of a square is 144. what is the length of a side?
what is 12
23 x 24
What is 26
√9 x √121
3 x 11 =33
The square root of 63 is a perfect square.
True or . False
False
What is the area of a square with the length of 10 inches?
102 = 100 inches 2
You just met Harry Potter and he gave you a magic coin! The coin doubles every day! On the second day, you have two coins and on the third day you have four coins. The equation for the third day is 2^2. Each coin is worth $10. How much money will you have on the 15th day? Explain how you got your answer.
Dawnita