Mathematics
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OpenStudy (anonymous):
What is the value of expression?
6−7 • 64
A.
6−3
B.
6−11
C.
6−28
D.
611
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OpenStudy (anonymous):
D. because value just means the answer
OpenStudy (anonymous):
i have 4 more questions care to help me?
OpenStudy (anonymous):
sure
OpenStudy (texaschic101):
is there an exponent in the first problem ?
OpenStudy (anonymous):
yes
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OpenStudy (texaschic101):
or is it just 6 - 7 * 64 ??
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
its 7
OpenStudy (texaschic101):
is it 7 or -7 ?
OpenStudy (anonymous):
-7
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OpenStudy (texaschic101):
6^-7 * 64 =
1/6^7 * 64 =
1/279936 * 64 =
64/279936 = .......
wait....is the problem 6^-7 * 6^4 ??
OpenStudy (anonymous):
6-^7 the 7 is higher i think the power and also 6-^4
OpenStudy (anonymous):
What is the value of expression?
6−7 • 64
OpenStudy (texaschic101):
x^m * x^n = x^(m + n)
6^-7 * 6^4 = 6^(-7 + 4) = 6^-3
OpenStudy (anonymous):
so its a
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OpenStudy (texaschic101):
but if it is :
6^-7 * 6^-4, then it is 6^(-7-4) = 6^-11
OpenStudy (texaschic101):
is the exponent 4 positive or negative
OpenStudy (anonymous):
can u help me with a few more?
OpenStudy (texaschic101):
possibly....not the best at exponents
OpenStudy (anonymous):
that's whjy im here XD
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OpenStudy (anonymous):
why
A.
7
B.
3
C.
−3
D.
−7
OpenStudy (texaschic101):
what ??
OpenStudy (anonymous):
What is the missing value?
A.
7
B.
3
C.
−3
D.
−7
OpenStudy (texaschic101):
the missing value in what ?
OpenStudy (anonymous):
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