Rational Numbers and Exponents

Fraction/decimals

100

3.5 as a mixed number

3 1/2

200

2/5 as a decimal 

0.4

300

55% as a decimal and fraction

55/100 

0.55

400

5 4/6 as improper fraction

34/6

500

The cost of a breakfast is $20, apply 15% tip.

What is the tip amount? what is the total cost?

$3 tip, total cost = $23

Exponents

100

5​²​​​

25

200

8² + 4

68

300

2² * 2⁸

^{Apply the exponent rule}

2²⁺⁸

400

4⁴ / 4²

Apply the exponent rule

4^4-2

500

10² + 9² - 4⁴

-75

Module 2

100

6% as a decimal

0.06

200

$9 shampoo, 3% tax

0.27

300

$150 bed, discounted by 20%

What is the discount amount in $?

30

400

$150 bed, 20% discount

what is the price after the discount?

$120

500

$200 bed, discounted for 15% in the morning. By the end of the day, there was an additional 10% discount. What is the the total cost of the bed?

$153