1_3 Exponents Practice C

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Name
LESSON
1-3
Date
Class
Practice C
Exponents
Write each expression in exponential form.
1. 10 10 10 10
2. 7 7 7 7 7
104
75
3. 4 4 4
43
Find each value.
4. 82
64
5. 43
64
6. 63
8. 28
256
9. 35
243
10. 381
216
225
7. 152
38
343
11. 73
Compare. Write , , or .
12. 82
43
13. 92
15. 72
24
16. 102
18. 42 5
33 – 7
52
19. 23 2
14. 62
34
1001
17. 810
20. 25 10
32 – 2
92
42 6
21. If it takes Cell A 3 hours to produce two cells, how many cells
will Cell A produce in 24 hours?
256 cells
22. Use exponents to complete the table.
Generation
Number of People
Exponent
Parents
2
21
Grandparents
4
22
Great Grandparents
8
23
Great-Great Grandparents
16
24
Great-Great-Great Grandparents
32
25
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22
Holt Mathematics
Practice A
1-3 Exponents
Puzzles, Twisters & Teasers
1-2 The Great Race
LESSON
LESSON
Name the base and the exponent for each of the following.
Sam and Lloyd are bicycle racing around Europe starting in Lisbon,
Portugal. The race rules state that Sam and Lloyd must each travel
a different route between cities. The final distances between cities
for both Sam and Lloyd are listed below.
1. 72
2. 54
7
base
Sam’s
Route
Distance
Lloyd’s
Route
Distance
Madrid, Spain
345
380
Paris, France
742
795
London, England
350
140
Brussels, Belgium
251
249
Berlin, Germany
453
357
Vienna, Austria
461
449
710
854
538
587
1,171
1,046
Lisbon, Portugal
Lloyd’s Total
a
p
e
with
a
p
400
800
100
200
400
400
900
600
1,000
a
p
t
e
f
k
e
a
r
o
5
e
a
15. 103
555
16. 94
10 10 10
17. 25
18. 36
g
9999
i
l
33
3333
22222
19. How many different ways can you use the digits 3 and 5 to write
expressions in exponential form? What are the expressions?
two ways; 35 and 53
l
!
They both mean 3 3, or 32.
Holt Mathematics
20
Copyright © by Holt, Rinehart and Winston.
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1-3
Holt Mathematics
Practice C
Exponents
Write each expression in exponential form.
2. 7 7 7
3. 1 1 1 1 1
3
1. 10 10 10 10
5
7
1
5. 2 2 2 2 2 2
54
85
3
66
p
Write each expression in exponential form.
4. 5 5 5 5
12. 8 8 8 8 8
4
14. 53
p
LESSON
9
11. 3 3 3 3
4
13. 62
a
Practice B
1-3 Exponents
2
102
Write as repeated multiplication.
e
LESSON
1. 9 9
23
20. What do the following two expressions have in common?
“three to the second power” and “three squared”
19
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All rights reserved.
9. 10 10
r
!
p
3
exponent
8. 2 2 2
10. 5 5 5 5
0
300
700
400
300
500
500
700
500
1,200
4
base
7
exponent
7. 4 4
Riddle: What do you call a gorilla with a banana?
An
9
42
Lloyd
AND THE WINNER IS:
6. 4
10
Write using exponents.
0
Rome, Italy
3
base
exponent
8
exponent
5. 10
5
base
Sam’s Total
Lisbon, Portugal
Athens, Greece
4
7
4. 5
6
base
exponent
9
4. As an added bonus, at each city an alphabet letter accompanies
each racer’s total. Put the letter from the winning racer at each
city into the blanks below to solve the riddle. For example, Sam
traveled a total of 300 miles to Madrid and Lloyd traveled a total
of 400 miles. So write the “a” from Sam’s total box in the first
blank in the riddle.
Origin City
2
exponent
3. The race winner is the biker who completes the race with the
lowest total distance (rounded to the nearest 100 miles).
5
base
1. For each city, round the distance for each biker to the nearest 100.
2. Add the distance to the bikers’ totals.
3. 68
10
6. 10 10 10 10
26
2. 7 7 7 7 7
4
3. 4 4 4
5
43
7
Find each value.
104
4. 82
64
5. 43
64
6. 63
8. 28
256
9. 35
243
10. 381
216
225
7. 152
38
343
11. 73
Find each value.
7. 62
8. 53
36
9. 103
125
11. 25
Compare. Write , , or .
1,000
12. 34
32
10. 72
49
13. 251
81
14. 160
25
12. 82
43
13. 92
15. 72
24
16. 102
Compare. Write , , or .
71
16. 102
18. 34
52
19. 25
112
92
17. 82
43
20. 62
33
33 – 7
34
1001
17. 810
20. 25 10
92
32 – 2
42 6
256 cells
22. Use exponents to complete the table.
5
22. Use exponents to write the number 81 three different ways.
811; 92; 34
Copyright © by Holt, Rinehart and Winston.
14. 62
21. If it takes Cell A 3 hours to produce two cells, how many cells
will Cell A produce in 24 hours?
21. What whole number equals 25 when it is squared and 125 when
it is cubed?
21
19. 23 2
Generation
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52
1
18. 42 5
15. 80
Holt Mathematics
Number of People
Exponent
Parents
2
21
Grandparents
4
22
Great Grandparents
8
23
Great-Great Grandparents
16
24
Great-Great-Great Grandparents
32
25
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
67
22
Holt Mathematics
Holt Mathematics