1. Which of the following is a real number?
a) 2i
b) √-4
c) π
d) all of the above
Answer: c) π pi!
1. What is 2.5 x 10^4 in standard notation?
A) 0.000025
B) 0.0025
C) 25,000
D) 250,000
Answer: C) 25,000
1. What is the value of 2^3 x 2^4?
A) 2^7
B) 2^12
C) 2^21
D) 2^43
Answer: A) 2^7
1. What is the solution to the equation 3x + 5 = 14?
A) x = 3
B) x = 4
C) x = 5
D) x = 6
Answer: B) x = 4
1. What is the volume of a cube with side length 5 cm?
A) 15 cm^3
B) 25 cm^3
C) 50 cm^3
D) 125 cm^3
Answer: D) 125 cm^3
2. Which of the following is a rational number?
a) √2
b) 3/4
c) π
d) none of the above
Answer: b) 3/4
2. What is 1.2 x 10^-5 in standard notation?
A) 0.000012
B) 0.000000012
C) 0.0000000012
D) 0.00000000012
Answer: B) 0.000000012
2. What is the value of 5^2 / 5^4?
A) 1/5^2
B) 1/5^4
C) 5^2
D) 5^4
Answer: B) 1/5^4
2. What is the solution to the equation 2x - 7 = 15?
A) x = 6
B) x = 11
C) x = 22
D) x = 36
Answer: B) x = 11
2. What is the volume of a cylinder with radius 4 cm and height 10 cm?
A) 40Ï€ cm^3
B) 80Ï€ cm^3
C) 120Ï€ cm^3
D) 160Ï€ cm^3
Answer: B) 80Ï€ cm^3
3. Which of the following is an irrational number?
a) 5/7
b) 0.333333...
c) √2
d) all of the above
Answer: c) √2
3. What is the product of (3 x 10^4) and (4 x 10^5)?
A) 7.2 x 10^9
B) 1.2 x 10^9
C) 1.2 x 10^10
D) 1.2 x 10^20
Answer: C) 1.2 x 10^10
3. What is the value of (3^4)^2?
A) 3^8
B) 3^16
C) 3^24
D) 3^32
Answer: B) 3^16
3. What is the solution to the equation 4(x - 3) = 16?
A) x = 3
B) x = 4
C) x = 7
D) x = 8
Answer: D) x = 8
3. What is the volume of a sphere with radius 6 cm?
A) 72Ï€ cm^3
B) 216Ï€ cm^3
C) 288Ï€ cm^3
D) 432Ï€ cm^3
Answer: B) 216Ï€ cm^3
4. Which of the following is a whole number?
a) 2.5
b) -3
c) 0
d) none of the above
Answer: c) 0
4. What is the quotient of (9 x 10^6) and (3 x 10^2)?
A) 3 x 10^4
B) 3 x 10^2
C) 3 x 10^8
D) 3 x 10^10
Answer: A) 3 x 10^4
4. What is the value of 10^3 x 10^-4?
A) 10^-1
B) 10^0
C) 10^2
D) 10^7
Answer: C) 10^2
4. What is the solution to the equation 5x + 3 = 2x - 9?
A) x = -3
B) x = -2
C) x = 3
D) x = 4
Answer: D) x = 4
4. What is the volume of a rectangular prism with length 8 cm, width 4 cm, and height 5 cm?
A) 80 cm^3
B) 100 cm^3
C) 160 cm^3
D) 200 cm^3
Answer: D) 200 cm^3
5. Which of the following is a natural number?
a) -5
b) 0
c) 3
d) none of the above
Answer: c) 3
5. What is the sum of (4 x 10^3) and (7 x 10^2)?
A) 4.7 x 10^2
B) 4.7 x 10^3
C) 4.7 x 10^4
D) 4.7 x 10^5
Answer: B) 4.7 x 10^3
5. What is the value of 2^0?
A) 0
B) 1
C) 2
D) Undefined
Answer: B) 1
5. What is the solution to the equation 0.5x + 1.5 = 2x - 3.5?
A) x = 1.5
B) x = 2.5
C) x = 3.5
D) x = 4.5
Answer: B) x = 2.5
5. What is the volume of a pyramid with base area 16 cm^2 and height 6 cm?
A) 12 cm^3
B) 16 cm^3
C) 24 cm^3
D) 48 cm^3
Answer: C) 24 cm^3