A cylinder has a diameter of 10 cm and a height of 12 cm. What is the volume of the cylinder? (Use 3.14 for π)
1570 cm³
Simplify: 2⁵ × 2²
2⁷
Write 3.75 × 10⁵ in standard form:
375000
A cone is 15 cm tall with a radius of 5 cm. What is the volume of the cone?
392.5 cm³
Evaluate: 4² × 3
48
Write 25,000 in scientific notation:
2.5 × 105
What is the volume of a sphere with a diameter of 10 cm? (Use 3.14 for π)
418.7 cm³
Which expressions are equivalent to 5⁴ × 5³? (Select all that apply)
A) 5⁷
B) 25³
C) (5³)⁴
D) 78125
E) 5²⁸
F) 125³
A, D
The population of a country is about 72,000,000. What is the best estimate using scientific notation?
A) 7 × 10⁶
B) 7 × 10⁷
C) 8 × 10⁷
D) 7 × 10⁸
Answer: B
What is the volume of a sphere with radius 4 inches? (Use 3.14 for π)
267.9 in³
Evaluate: (9⁻² × 9³)/9⁰
9
Write 9.7 × 10-⁵ in standard form:
0.000097
A cylinder has a base area of 150 cm² and a volume of 1800 cm³. What is the height of the cylinder?
12 cm
Which of the following expressions has a value greater than 0?
A) -2⁻³
B) (-1)²
C) (-2)⁰
D) -(-3)⁻¹
(-1)²
Write 0.0175 in scientific notation:
1.75 × 10-2