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anonymous
 5 years ago
Can someone explain how to get the answer to this problem? Preferably step by step please!
If 5^{x+3}=2, then 5^{x2}= ?
Thank you!! :)
anonymous
 5 years ago
Can someone explain how to get the answer to this problem? Preferably step by step please! If 5^{x+3}=2, then 5^{x2}= ? Thank you!! :)

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amistre64
 5 years ago
Best ResponseYou've already chosen the best response.2you want to find a value of x that makes it seem plausible but only when you take a quick glance :)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.2(x+3) ln(5) = ln(2) x+3 = ln(2)/ln(5) x = (ln(2)/ln(5))  3 x = (ln(2)/ln(5)) + 3 insert that value into the other side to solve

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0I used log instead of ln, it's the same thing right?

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.2yeah, i used ln casue its quicker to type than log and not as much room for error ;)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.2you coulda used log5 as well, but then log5(2) seems superfluous

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0For some reason, I'm getting weird answers instead of the choices given. The choices are 10, 25, 5/2 and 2/5.

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.2for x or for the new value?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0I typed the question exactly the way it's stated. I'm guessing it's after the value?

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.25^((ln(2)/ln(5)) + 3  2) 5^((ln(2)/ln(5)) + 1) = 2.5 http://www.wolframalpha.com/input/?i=5^%28%28ln%282%29%2Fln%285%29%29+%2B+1%29
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