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Scientific Notation
PEMDAS
Fractions to Decimals
Fractions to Percentages
Exponents
100
61,500 a. 6.15 x 10^4 b. 61.5 x 10^3 c. 6.15 x 10^3
a. 6.15 x 10^4
100
6 x 12/2 -1 + 8 a. 39 b. 41 c. 43
c. 43
100
21/100 a. 201 b. .021 c. 0.21
c. 0.21
100
Change .25 to a percentage. a. 30% b. 75% c. 25%
c. 25%
100
(2)^-4 a. -8 b. -1/16 c. 1/16
c. 1/16
200
321 a. 32.1 x 10^3 b. 3.21 x 10^2 c. 3.21 x 10^-2
c. 3.21 x 10^-2
200
(8+31-3)/4 +3 a. 15 b. 10 c. 12
c. 12
200
79/100 a. 790 b. 0.79 c. 7.9
b. 0.79
200
Change 8/16 to a percentage a. 12% b. 25% c. 50%
c. 50%
200
(2a^3)^2 a. 2a^5 b. 2a^6 c. 4a^6
c. 4a^6
300
1.09 X 10^3 a. 190 b. 1090 c. 109
b. 1090
300
9 x (7 x 5 +6^2) - 4 a. 150 b. 635 c. 600
b. 635
300
31/50 a. .62 b. 620 c. 6.2
a. .62
300
Change 3/16 to a percent a. 22% b. 18% c. 5%
b. 18%
300
-2x^3 a. -2x^3 b. -8x^3 c. 8x^3
b. -8x^3
400
4.22715 x 10^8 a. 422,715 b. 422 c. 422,715,000
c. 422,715,000
400
(3 + (10/2 - 8)) + 5 a. 5 b. 7 c. 8
a. 5
400
41/125 a. 3.2 b. 328 c. 0.328
c. 0.328
400
A softball team won 11 out of 12 games. What percent of games did they win? a. 91% b. 89% c. 93%
a. 91%
400
(5y^4)^2 a. 25y^8 b. 5y^8 c. 25y^6
a. 25y^8
500
0.0000568 a. 56.8 x 10^-5 b. 5.68 x 10^5 c. 5.68 x 10^-5
c. 5.68 x 10^-5
500
((10 - 2)^2 + 5) - 3 + 4^2 a. 80 b. 82 c. 90
b. 82
500
501/1000 a. 501 b. 0.501 c. 5.01
b. 0.501
500
If 12 out of 21 students are girls what percent of students are girls? a. 63% b. 45% c. 57%
c. 57%
500
(3x^3)^3 a. 9x^6 b. 9x^9 c. 27x^9
c. 27x^9