ok so here is the REAL answers to the UNIT 3
Exponents, Factors, and Fractions
LESSON 12
Exponents, Factors, and Fractions Unit Test
1. Which statement is true? (1 point)
Unselected answer (0 pts) start fraction 29 over 35 end fraction less than start fraction 20 over 30 end fraction
Correct answer (1 pt) Start Fraction 18 over 34 End Fraction greater than Start Fraction 16 over 32 End Fraction
Unselected answer (0 pts) stat fraction 14 over 21 end fraction is greater than start fraction 17 over 24 end fraction
Unselected answer (0 pts) stat fraction 20 over 15 end fraction is less than start fraction 28 over 23 end fraction
1 /1 point
2. Write the expression using an exponent.
7 times 7 times 7 times 7 times 7 times 7 (1 point)
Unselected answer (0 pts) 5 superscript 7 baseline
Correct answer (1 pt) 7 superscript 5 baseline
Unselected answer (0 pts)
Unselected answer (0 pts) 5 superscript 5 baseline
1 /1 point
3. 52 – (2 • 72) (1 point)
Unselected answer (0 pts) –1,127
Unselected answer (0 pts) 1,127
Correct answer (1 pt) –73
Unselected answer (0 pts) –171
1 /1 point
4. (–1)3 (1 point)
Unselected answer (0 pts) 1
Unselected answer (0 pts) 3
Incorrect Answer (0 pts) –3
Unselected answer (1 pt) –1
0 /1 point
5. 37 • 52 – 9 • 42 (1 point)
Unselected answer (0 pts) 9,472
Unselected answer (1 pt) 781
Incorrect Answer (0 pts) 256
Unselected answer (0 pts) 2,816
0 /1 point
6. Write 1,340 in scientific notation. (1 point)
Unselected answer (0 pts) 1.34 × 104
Correct answer (1 pt) 1.34 × 103
Unselected answer (0 pts) 13.4 × 103
Unselected answer (0 pts) 1.34 × 101
1 /1 point
7. Write 1.07 × 103 in standard form. (1 point)
Unselected answer (0 pts) 0.00107
Unselected answer (0 pts) 10,700
Unselected answer (0 pts) 107
Correct answer (1 pt) 1,070
1 /1 point
8. Find the LCM of 25 and 20. (1 point)
Unselected answer (0 pts) 5
Unselected answer (0 pts) 500
Correct answer (1 pt) 100
Unselected answer (0 pts) 125
1 /1 point
9. Tell which number is prime: 15, 24, 41, 62. (1 point)
Unselected answer (0 pts) 15
Correct answer (1 pt) 41
Unselected answer (0 pts) 62
Unselected answer (0 pts) 24
1 /1 point
10. Find the GCF of 48 and 30. (1 point)
Unselected answer (0 pts) 12
Correct answer (1 pt) 6
Unselected answer (0 pts) 8
Unselected answer (0 pts) 5
1 /1 point
11. Find the missing number.
start fraction 42 over 90 end fraction equals question mark over lower 15 end fraction (1 point)
Incorrect Answer (0 pts) 5
Unselected answer (0 pts) 9
Unselected answer (1 pt) 7
Unselected answer (0 pts) 6
0 /1 point
12. Match each point with one of the following fractions:
three-fourths, one-fourth, start fraction 7 over 16 end fraction, start fraction 5 over 8 end fraction
A number line is shown with markings at 0 and 1. An additional unlabeled marking is located half way between them. Point A is on the line slightly closer to 0 than the half mark. Point B is just left of the half mark. Point C is just right of the half mark. Point D is approximately halfway between the half mark and 1. (1 point)
Unselected answer (0 pts) upper A equals five-eighths comma upper B equals one-fourth comma upper C equals three-fourths comma upper D equals seven-sixteenths
Incorrect Answer (0 pts) upper A equals one-fourth comma upper B equals five-eighths comma upper C equals seven-sixteenths comma upper D equals three-fourths
Unselected answer (0 pts) upper A equals three-fourths comma upper B equals one-fourth comma upper C equals five-eighths comma upper D equals seven-sixteenths
Unselected answer (1 pt) upper A equals one-fourth comma upper B equals seven-sixteenths comma upper C equals five-eighths comma upper D equals three-fourths
0 /1 point
13. Write 4 and three-eighths as an improper fraction. (1 point)
Unselected answer (0 pts) start fraction 32 over 8 end fraction
Correct answer (1 pt) start fraction 35 over 8 end fraction
Unselected answer (0 pts) start fraction 20 over 8 end fraction
Unselected answer (0 pts) start fraction 29 over 8 end fraction
1 /1 point
14. Write a mixed number and an improper fraction for the model below.
Four rectangles are divided into 8 blocks each. The first 3 rectangles have all 8 blocks shaded grey. The final rectangle has 2 blocks shaded grey and 6 blocks are white. (1 point)
Unselected answer (0 pts) 3 and one-eighth comma start fraction 25 over 8 end fraction
Incorrect Answer (0 pts) 3 and two-eighths comma start fraction 24 over 8 end fraction
Unselected answer (1 pt) 3 and one-fourth comma start fraction 13 over 4 end fraction
Unselected answer (0 pts) 3 and three-fourths comma start fraction 15 over 4 end fraction
0 /1 point
15. Match each point with one of the following rational numbers:
A number line is scaled from negative 1 to 0. Point A is located just right of negative 1. Point B is right of point A and left of the negative half mark. Point C is just right of the negative half mark. Point D is right of point C and left of 0. (1 point)
Incorrect Answer (0 pts) A = negative 0 point Modifying Above 2 with bar; B = –Start fraction 5 over 12 End fraction; C= –two-thirds; D= –0.875
Unselected answer (0 pts) A = two-thirds; B = negative 0 point Modifying Above 2 with bar; C = –Start fraction 5 over 12 End fraction; D= –0.875
Unselected answer (1 pt) A = –0.875; B = –two-thirds; C = –Start fraction 5 over 12 End fraction; D= negative 0 point Modifying Above 2 with bar
Unselected answer (0 pts) A = –0.875; B = –Start fraction 5 over 12 End fraction; C = –two-thirds; D= negative 0 point Modifying Above 2 with bar
0 /1 point
16. A class is selling magazines as a fundraiser. Of the 200 magazines sold, Ananda sold one-eighth of them. Gina sold 0.065 of the magazines. Ben sold Start Fraction 3 over 100 End Fraction of the magazines, and Fatima sold 0.105 of the magazines. Who sold the most magazines? (1 point)
Unselected answer (0 pts) Fatima
Unselected answer (0 pts) Gina
Unselected answer (0 pts) Ben
Correct answer (1 pt) Ananda
1 /1 point
17. Find the digit that makes 3,80_ divisible by 8. (1 point)
Unselected answer (0 pts) 2
Correct answer (1 pt) 0
Unselected answer (0 pts) 4
Unselected answer (0 pts) 6
1 /1 point
18. Which of these numbers is divisible by 6? (1 point)
Unselected answer (0 pts) 2,188
Unselected answer (1 pt) 4,140
Incorrect Answer (0 pts) 6,975
Unselected answer (0 pts) 9,406
0 /1 point
19. Test 59,859 for divisibility by 2, 3, 5, 9, or 10. (1 point)
Incorrect Answer (0 pts) It is not divisible by any of the numbers.
Unselected answer (0 pts) 3
Unselected answer (1 pt) 3, 9
Unselected answer (0 pts) 3, 5, 9
0 /1 point
20. During one season, a basketball player attempted 414 shots and made 174 of them. What fraction of the shots did the player make? Write your answer in simplest form. (1 point)
Unselected answer (1 pt) start fraction 29 over 69 end fraction
Incorrect Answer (0 pts) start fraction 87 over 207 end fraction
Unselected answer (0 pts) start fraction 17 over 41 end fraction
Unselected answer (0 pts) start fraction 14 over 46 end fraction
0 /1 point
21. Write start fraction 40 over 12 end fraction as a whole or mixed number in simplest form. (1 point)
Incorrect Answer (0 pts) 4 start fraction 8 over 12 end fraction
Unselected answer (0 pts)
Unselected answer (1 pt) 3 and one-third
Unselected answer (0 pts) 4 and one-half
0 /1 point
22. Write start fraction 4 over 11 end fraction as a decimal. (1 point)
Correct answer (1 pt) 0 point modifying above 3 6 with bar
Unselected answer (0 pts) 0.36
Unselected answer (0 pts) 0.036
Unselected answer (0 pts) 0 point 3 modifying above 6 with bar
1 /1 point
23. James has a batting average of .375. Write this decimal as a fraction in simplest form. (1 point)
Unselected answer (0 pts) Start Fraction 375 over 1,000 End Fraction
Correct answer (1 pt) Start Fraction 3 over 8 End Fraction
Unselected answer (0 pts) Start Fraction 6 over 18 End Fraction
Unselected answer (0 pts) Start Fraction 37 point 5 over 100 End Fraction
1 /1 point
24. The local reader’s club has a set of 36 hardback books and a set of 30 paperbacks. Each set can be divided equally among the club members. What is the greatest possible number of club members? (1 point)
Unselected answer (0 pts) 5
Correct answer (1 pt) 6
Unselected answer (0 pts) 30
Unselected answer (0 pts) 180
1 /1 point
um... so put the answers in letter form pls... i um, understand NOTHING of that... im on question 15
To find the answers to the Unit 3 Exponents, Factors, and Fractions Unit Test, you need to carefully read each question and the available answer choices. Here is a breakdown of how to arrive at the correct answers for each question:
1. The correct answer is "Start Fraction 18 over 34 End Fraction greater than Start Fraction 16 over 32 End Fraction".
2. The expression "7 times 7 times 7 times 7 times 7 times 7" can be written as "7 superscript 5 baseline".
3. The correct answer is "-73".
4. The correct answer is "-1".
5. The correct answer is "781".
6. To write 1,340 in scientific notation, you should write it as "1.34 × 103".
7. To write 1.07 × 103 in standard form, you write it as "1,070".
8. The correct answer is 100, the least common multiple of 25 and 20.
9. The prime number among 15, 24, 41, and 62 is 41.
10. The greatest common factor (GCF) of 48 and 30 is 6.
11. The missing number is 7, as indicated by "start fraction 42 over 90 end fraction equals question mark over lower 15 end fraction".
12. The correct matching is "upper A equals one-fourth comma upper B equals seven-sixteenths comma upper C equals five-eighths comma upper D equals three-fourths".
13. To write 4 and three-eighths as an improper fraction, you write it as "start fraction 35 over 8 end fraction".
14. The mixed number is 3 and one-fourth, and the improper fraction is "start fraction 13 over 4 end fraction".
15. The correct matching is "A = –0.875; B = –two-thirds; C = –Start fraction 5 over 12 End fraction; D= negative 0 point Modifying Above 2 with bar".
16. Ananda sold the most magazines.
17. The digit that makes 3,80_ divisible by 8 is 0.
18. The number 4,140 is divisible by 6.
19. Test 59,859 for divisibility by 2, 3, 5, 9, or 10, and it is divisible by 3 and 9.
20. The fraction of shots made by the player is "start fraction 29 over 69 end fraction".
21. "start fraction 40 over 12 end fraction" simplified as a whole or mixed number is 3 and one-third.
22. "start fraction 4 over 11 end fraction" as a decimal is 0 point modifying above 3 6 with bar.
23. The decimal .375 can be written as "Start Fraction 3 over 8 End Fraction" in the simplest form.
24. The greatest possible number of club members is 6.
Make sure to double-check the answers before submitting them.