Review-1st9weeks-C3

- 1. A player has 26 hits in 120 times at bat. Write the player's batting average as a decimal.
A) .217 B) .227 C) .117 D) .216 - 2. Write 0.54 as a fraction in simplest form.
A) 14/25 B) 1/2 C) 54/100 D) 27/50 - 3. What is the probability of rolling a six sided die and getting 3 in the first two tries?
A) 1/2 B) 2/3 C) 1/6 D) 1/36 - 4. What is the value of 60 / 6(3+2) + 10/5
A) 4 B) 6 C) 52 D) 55 - 5. How do you write 2,540,000 in scientific notation?
A) 2.54 x 10 ^{5}B) 254.0 x 10 ^{4}C) 2.54 x 10 ^{6}D) 25.4 x 10 ^{4}- 6. How much will you pay for a pair of shoes that are priced at $20 if sales tax is 7%?
A) $20.14 B) $21.00 C) $20.07 D) $21.40 - 7. What is the mean in the data set: 3,5,6,7,9,12?
A) 6 B) 9 C) 7 D) 10 - 8. What do you do first to get the median of a data set?
A) Add the all up and divide by the addend B) Place numbers in order C) Get the middle number D) Subtract the largest from the smallest - 9. In a box-and-whisker plot, what is the dot inside the box telling you?
A) The upper quartile B) The lower quartile C) The median D) The range - 10. What is the difference between a bar graph and a histogram?
A) No difference B) One has lines the other bars C) The bars are touching each other D) Both are the same - 11. What is 4 raised to the second power?
A) 16 B) 24 C) 8 D) 6 - 12. How much would you pay for a shirt that costs $32, if it has a 50% discount?
A) 12 B) 28 C) 20 D) 16 - 13. What is the prime factorization of 42?
A) 2,3,7 B) 1,2,21 C) 1,21,42 D) 2,6,7 - 14. Determine which rational number is greater?
A) -7.19 B) 7 1/10 C) 7.19 D) 7.185 - 15. Find the GCF of 12 & 15?
A) 5 B) 3 C) 4 D) 1 - 16. Find the LCM of 10 & 20?
A) 200 B) 40 C) 20 D) 10 - 17. If you multiply a negative number with a positive number you always get what type of answer?
A) Positive B) Negative C) Zero - 18. In a factory, 1 out of 400 parts is defective. Which shows the percent of parts that are defective?
A) 25% B) 0.025% C) .25% D) 2.5% - 19. Is 38 a prime or composite number?
A) Composite B) Prime C) Both D) Neither - 20. If Jeremy knocked down 41 of his teams 205 bowling pins, what percent of the total pins knocked down is that?
A) 2% B) 20% C) 5% D) 0.5% |

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