Pre-Algebra
13 Online
OpenStudy (anonymous):
What is the value of the expression –5x4 when x = –2?
A.
–40
B.
–80
C.
40
D.
80
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OpenStudy (anonymous):
@emmigrace222
OpenStudy (anonymous):
@Taylor<3sRin
OpenStudy (anonymous):
@cheergurl_99
OpenStudy (anonymous):
hep
OpenStudy (anonymous):
c. 40
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OpenStudy (anonymous):
@Nateyboo
OpenStudy (anonymous):
C. 40 Because When you put -2 in for x The equation turns out to be -5(-2)4 So then you just multiply and the answer is 40.
OpenStudy (anonymous):
What is 125 written as a power of a number?
A.
255
B.
52
C.
53
D.
525
OpenStudy (anonymous):
C. 53
OpenStudy (anonymous):
What is 125 written as a power of a number?
A.
255
B.
52
C.
53
D.
525
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OpenStudy (anonymous):
What are all the common factors of 28 and 42?
A.
1, 2, 7, 14
B.
1, 7, 14
C.
1, 2, 7, 14, 28
D.
1, 2, 4, 14, 28
OpenStudy (anonymous):
@Nateyboo
OpenStudy (anonymous):
@Taylor<3sRin
OpenStudy (anonymous):
@okrzesik10
OpenStudy (anonymous):
The common factors of 28 and 42 are 1, 2, 7, 14. So A.
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OpenStudy (anonymous):
What is the prime factorization of 140?
A.
2 • 5 • 7
B.
2 • 52 • 7
C.
22 • 5 • 7
D.
22 • 52 • 7
OpenStudy (anonymous):
@secret66
OpenStudy (anonymous):
C . 22, 5, 7
OpenStudy (anonymous):
C
OpenStudy (anonymous):
ur in k12. hmmmm 6th grade im assuming
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OpenStudy (anonymous):
actually maybe 5th. not sure
OpenStudy (anonymous):
The answer is c. 40