Express as a ratio
in simplest form
in simplest form
Solve
Solve More
Solve even more
Simplify
Using positive exponents
Using positive exponents
Scientific Notation
100
21 days: 35 weeks
3:35
100
The ratio of time Sean spent writing an essay to the time he spent revising it was 4:1.
If he spent a total of 2.5 hrs writing and revising the essay, how long did it take him to write it?
2 hrs
100
22% of 78 is what number?
17.16
100
The number of people at this year's walkathon was 12% higher than last year. If 1344 people walked this year, how many people walked last year?
1,200 people
100
3^-5*3^4
1/3
100
Write in (correct) Scientific Notation
.000128
1.28 x 10-4
200
63 cm: .9 cm
70:1
200
104/x = 13/2
x = 16
200
48 is 32% of what number?
150
200
How many liters of grape juice must be added to 14 L of cranberry juice to make a drink that is 16% grape juice?
2 2/3 L of grape juice
200
5^0/5^-2
25
200
Write in (correct) Scientific Notation
56,100,000,000
5.61 x 1010
300
49%
49/100
300
16/(3y) = 12/5
y = 20/9
300
What percent of 945 is 315?
33 1/3%
300
Working alone Mandy can complete a project in 7 hours. It would take Colin 3 hours to complete the same project. If they work together, how long will it take them to complete the project?
2.1 hrs
300
(4m^2)^-3
1/(64m^6)
300
Solve & Write in (correct) Scientific Notation
(3.6 x 108) x (2 x 105)
7.2 x 1013
400
540%
27/5
400
(3x)/10=(5x)/6
x = 0
400
What question is a variable or vice versa?
Why? y?
400
DOUBLE YOUR POINTS? LOSE THEM ALL?!
OR HOW MUCH WILLING TO WAGER?
What "student" in class is always sad or down in spirit but comes out sometimes to make you happy?
"Blue" Dot
400
12x^-5
12/x^5
400
Solve & Write in (correct) Scientific Notation
(8.4 * 10^7)/(4 * 10^2)
2.1 x 105
500
73 1/2 %
147/200
500
(4a + 1)/7=(3a - 4)/3
a = 31/9
500
EXTRA CREDIT
Why is this pic funny?
Rudolph's grade will "go down in History"
500
absx- (-9) = 7
No solution
500
(a^-3)^2
1/(a^6)
500
Solve & Write in (correct) Scientific Notation
(5.6 x 109) x (3 x 10-2)
1.58 x 108
600
2n + (3n)/5 = 5 - n/10
n = 50/27
600
1/(n^4)
1/(n^4)
600
Solve & Write in (correct) Scientific Notation
(7 * 10^-3)/(20 * 10^5)
3.5 x 10-9
700
(3y + 5)/2-(3y+2)/5=3/10
y = -2
800
1/b+(3b)/(5b-2)=0
b= {1/3, -2}
900
(2c+3)/(2c+6)=1/c
c= {-2, 3/2}