Difference between revisions of "2015 AMC 12B Problems/Problem 8"
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==Solution 2== | ==Solution 2== | ||
We can rewrite <math>\log_5 2015</math> as as <math>5^x = 2015</math>. Thus, <math>625^{x \cdot \frac{1}{4}} = 5^x = \boxed{2015}.</math> | We can rewrite <math>\log_5 2015</math> as as <math>5^x = 2015</math>. Thus, <math>625^{x \cdot \frac{1}{4}} = 5^x = \boxed{2015}.</math> | ||
+ | |||
+ | == Video Solution == | ||
+ | https://youtu.be/RdIIEhsbZKw?t=738 | ||
+ | |||
+ | ~ pi_is_3.14 | ||
==See Also== | ==See Also== | ||
{{AMC12 box|year=2015|ab=B|num-a=9|num-b=7}} | {{AMC12 box|year=2015|ab=B|num-a=9|num-b=7}} | ||
{{MAA Notice}} | {{MAA Notice}} |
Latest revision as of 04:29, 21 January 2021
Problem
What is the value of ?
Solution 1
Solution 2
We can rewrite as as . Thus,
Video Solution
https://youtu.be/RdIIEhsbZKw?t=738
~ pi_is_3.14
See Also
2015 AMC 12B (Problems • Answer Key • Resources) | |
Preceded by Problem 7 |
Followed by Problem 9 |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | |
All AMC 12 Problems and Solutions |
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