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Indices math qn... need help!?
Solve 2^(t+4) - 2^t = 120
Please help me with steps.. thank you :)
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- salcompLv 78 years agoFavorite Answer
2^(t+4) - 2^t = 120
2^t * 2^4 - 2^t = 120
2^t(2^4 - 1) = 120
2^t = 120/(2^4 - 1)
2^t = 8
t = 3
- Anonymous8 years ago
t=3
2^(3+4)-2^3=120
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