Perfect Squares
Which of the following numbers is a perfect square?
A) 18 B) 49 C) 20 D) 30
What is the square root of the perfect square?
B. 49 and 7
Show 3 ways to write 10 to the 3rd power
1000, 10x10x10, 1000/1
Write 450,000 in scientific notation.
4.5 x 10 to the 5th power
What is the result of 5+2×3
A) 21 B) 11 C) 15 D) 9
11
Which is greater 3/4 or .705?
3/4
The square root of 50 is between which 2 whole numbers?
7 and 8
Write 1,000,000 as a power of 10.
10 to the power of 6
Express 0.00032 in scientific notation.
3.2 x 10 to the negative 4 power
What is the result of 3(5+2)+3
24
Which number is smaller 4/9, 4/11, 4/8?
4/11
True or False: The square root of a perfect square is always a whole number.
True
Which is greater: 10 to the 5th power or 10 to the 4th power or 10 to the 1rst power
10 to the 5th power
Which is larger: 3.2×10 to the 5th power or 4.5×10 to the 4th power
3.2x10 to the 5th power
Solve: 2 to the 3rd power+4×2
16
Arrange in ascending order: -0.5, 2/3, 3.56%, 90%, -3/4
-3/4, -0.5, 3.56%, 2/3, 90%
What is the smallest 3-digit perfect square and what is the square root?
100 and 10
What is 7.2×10 to the 2nd power?
720
Which is larger 3.654x10 to the negative 5th power or 3.657x10 to the negative 4th power
3.654x10 to the negative 5th power
Evaluate: (6+18)÷2 to the power of 2+3
9
Arrange numbers in descending order -1/4, -0.6, -2/5, -0.3
-1/4, -0.3, -2/5, -0.6
A square garden has an area of 144 square meters. What is the length of one side?
12
A computer can process about 10 to the 9th power instructions per second. How many instructions can it process in 10 seconds?
10 to the 10th power
The distance from Earth to the Sun is approximately 149,600,000 km. Write this distance in scientific notation.
1.496x10 to the 8th power
Sarah bought 3 notebooks at $2 each and 2 pens at $1.50 each. She also paid $5 for a bag. What is her total cost?
(3x2)+(2x1.5)+5=14
Maria owes $5.50, Joe owes $3.25, and Lisa has $2.75. Who owes the most money?
Maria