Absolute Value
Simplify
abs(6)
6
Simplify: -9 + 5
-4
Simplify; write the value in fraction form:
4^0
1
Write in standard form:
1.52 xx 10^3
1,520
Billy's Mom baked a batch of chocolate chip cookies. If she made 50 cookies and Billy ate 20% of them, how many cookies did Billy eat?
10 cookies
Simplify
abs(-10)
10
Simplify: -16+(-28)
-44
Simplify; write the value in fraction form:
2^-2
1/4
Write in scientific notation:
5,402,000
5.402 xx 10^6
If you purchase a pack of marbles for $7.99, how much will you pay in tax? (PA sales tax is 6%. If necessary, round your answer to the nearest cent.)
$0.48
Simplify
abs(7-2)
5
Simplify: 24 + (-18)
6
Simplify; write the value in fraction form:
2^-3
1/8
Write in standard form:
5.06 xx 10^-5
0.0000506
At a restaurant, the bill is $56.78. If you want to give the waiter a 20% tip, how much money should you leave on the table? (If necessary, round your answer to the nearest cent.)
$11.36
Simplify
abs(2-3)
1
Simplify: -62 + 50
-12
Simplify; write the value in fraction form:
3^-4
1/81
Write in scientific notation:
0.005023
5.023 xx 10^-3
You purchase a video game for $29.99 plus tax. How much is your purchase total? (PA sales tax is 6%. If necessary, round your answer to the nearest cent.)
$31.79
Simplify
abs(-2)xxabs(6
12
Simplify: 72 + (-99)
-27
Simplify; write the value in fraction form:
6^-3
1/216
Write in scientific notation:
0.00001234
1.234 xx 10^-5
You work part-time as a waiter and rely on customer tips to supplement your income. If a customer leaves a $20 tip for a bill that totaled $87.50, what percentage tip did they give you? (If necessary, round your answer to the nearest tenth.)
22.9%