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Flashcards in Random questions Deck (23)
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1
Q

What is 72,000,000 written in scientific notation?

A

7.2 x 10^7

2
Q

Simplify 8^3.

A

512

3
Q

Write the algebraic expression that is equivalent to the product of 4 and w, minus 3.

A

4w - 3

4
Q

A t-shirt costs $30.75 in one store. The same t-shirt costs 30% more in a different store. How much does the t-shirt cost in the more expensive store?

A

$39.98

5
Q

Simplify the expression 2x + 9 + 5x.

A

7x + 9

6
Q

The graph of a linear equation is a ________.

A

line

7
Q

Simplify 10^3.

A

1,000

8
Q

The area of a triangle is 14 square units. If the triangle is rotated 90 degrees, what is the area of the resulting triangle?

A

14 square units

9
Q

What is the volume of the cylinder in cubic millimeters, if the radius is 10 mm and height 30 mm. Use 3.14 for pi.

A

9,420 cubic millimeters

10
Q

Find the prime factorization of 210.

A

2 x 3 x 5 x 7

11
Q

Find the area of a triangle with a base of 14 inches and a height of 32 inches.

A

224 square inches

12
Q

Convert 2,861 millimeters to meters.

A

2.861 meters

13
Q

Simplify 5^4.

A

625

14
Q

What is 7.65 as a mixed number in simplest form?

A

7 13/20

15
Q

Tara earned $8.00 per hour at her first job. Then she changed to a job where she earned $11.00 per hour. What was the percent of increase in Tara’s hourly earnings?

A

37.50%

16
Q

What is 11,500,000 written in scientific notation?

A

1.15 x 10^7

17
Q

A jacket costs $50.25 in one store. The same jacket costs 40% more in a different store. How much does the jacket cost in the more expensive store?

A

$70.35

18
Q

Simplify the expression 9z + 12 + 6z.

A

15z + 12

19
Q

What is the prime factorization of 700.

A

2^2 x 5^2 x 7

20
Q

Simplify 3^3.

A

27

21
Q

Find the area of a rectangle with a length of 18 cm and width 11 cm.

A

198 square centimeters

22
Q

What makes a graph misleading?

A

The scale (y-axis) doesn’t start at zero.

23
Q

Krista has a medicine ball that weighs 320 ounces. How many pounds does the medicine ball weigh?

A

20 pounds