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) 54/100
B) 14/25
C) 1/2
D) 27/50
  • 3. What is the probability of rolling a six sided die and getting 3 in the first two tries?
A) 1/36
B) 1/2
C) 1/6
D) 2/3
  • 4. What is the value of 60 / 6(3+2) + 10/5
A) 55
B) 4
C) 6
D) 52
  • 5. How do you write 2,540,000 in scientific notation?
A) 254.0 x 104
B) 25.4 x 104
C) 2.54 x 106
D) 2.54 x 105
  • 6. How much will you pay for a pair of shoes that are priced at $20 if sales tax is 7%?
A) $21.00
B) $20.14
C) $20.07
D) $21.40
  • 7. What is the mean in the data set: 3,5,6,7,9,12?
A) 6
B) 7
C) 10
D) 9
  • 8. What do you do first to get the median of a data set?
A) Place numbers in order
B) Get the middle number
C) Subtract the largest from the smallest
D) Add the all up and divide by the addend
  • 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 range
D) The median
  • 10. What is the difference between a bar graph and a histogram?
A) No difference
B) One has lines the other bars
C) Both are the same
D) The bars are touching each other
  • 11. What is 4 raised to the second power?
A) 16
B) 24
C) 6
D) 8
  • 12. How much would you pay for a shirt that costs $32, if it has a 50% discount?
A) 12
B) 20
C) 16
D) 28
  • 13. What is the prime factorization of 42?
A) 1,21,42
B) 1,2,21
C) 2,3,7
D) 2,6,7
  • 14. Determine which rational number is greater?
A) 7.185
B) 7.19
C) -7.19
D) 7 1/10
  • 15. Find the GCF of 12 & 15?
A) 1
B) 3
C) 5
D) 4
  • 16. Find the LCM of 10 & 20?
A) 10
B) 20
C) 200
D) 40
  • 17. If you multiply a negative number with a positive number you always get what type of answer?
A) Positive
B) Zero
C) Negative
  • 18. In a factory, 1 out of 400 parts is defective. Which shows the percent of parts that are defective?
A) .25%
B) 25%
C) 0.025%
D) 2.5%
  • 19. Is 38 a prime or composite number?
A) Composite
B) Prime
C) Neither
D) Both
  • 20. If Jeremy knocked down 41 of his teams 205 bowling pins, what percent of the total pins knocked down is that?
A) 0.5%
B) 5%
C) 20%
D) 2%
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