Jeopardy Review #2

Scientific Notation

100

Write 1.86 x 10⁵ in standard form.

186,000

200

Write 675 million in scientific notation.

6.75 X 10⁸

300

Which is larger? 11 million or 1.1 x 10⁶?

11 million

400

2.54 x 10^-2

0.0254

500

Write .000105 in scientific notation.

1.05 x 10^-4

Adding Integers on the Number Line

100

(-3) + (+6) + (-1)

2

200

|-3| + |3| =

6

300

|5 - 7| =

2

400

-3 + -1 =

-4

500

-4 + -5 + 8 + -3 =

-4

Negative Exponents

100

10^-3

1/1000 or .001

200

10⁵/10²

1,000

300

10³/10³

1

400

3^-2

1/9

500

Which is greater? 0 or 10^-3

10^-3

Fractional Part of a Number

100

What number is .7 of 40?

28

200

3/5 of 120 is what number?

72

300

What number is 7/8 of 120?

105

400

What number is 4/5 of 71?

56.8

500

3,424 is 4/5 of what number?

4,280

Percent of a Number

100

What is 25% of 88?

22

200

the Jacket sold for $75. Forty percent of the selling price was profit. How much money is 40% of $75?

30

300

A used car salesperson receives a commission of 8% of the selling price of a car. If the salesperson sells a car for $3,600, how much is the salesperson's commission?

$288

400

If a pair of pants cost $46, what will the total cost of the pants be after a 7.5% sales tax?

$49.45

500

Todd paid $174 for dinner for his family and decided to leave a 25% tip for the excellent service. How much money, in total, will he have paid?

$217.50