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anonymous

  • 5 years ago

expontential functions!!!!!!!!

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  1. anonymous
    • 5 years ago
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    pleeease help me with this question: a)\[2^{4}(2^{2}) \div 2^{-6}\]

  2. anonymous
    • 5 years ago
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    it says to " Simplify. Write each expression as a single power with a positive exponent."

  3. anonymous
    • 5 years ago
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    When multiplying exponents, you add them together. So the first part can be re-written as \[2^{4+2}\] a negative exponent is the same as one over the absolute value. So the second part can be written as \[1/2^{6}\] To divide by a fraction, we can multiply by the reciprocal, so we have \[2^{4+2}*2^{6}/1\] Now we add the exponents again \[2^{4+2+6}\]

  4. anonymous
    • 5 years ago
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    Okay, so, what you got here is a simple algebra problem. Okay, so, you add the 2 and the 4 together, since like exponents, when multiplied together, add together. Then, you place the 2^-6 on the bottom of a fraction, because all negative exponents go to the bottom. So, when you got that all done, you now have 2^6 / 1/2^6. Now, use some algebra to manipulate it all, and you get 2^6 * 2^6. So, you get 2^12, or, as peddani said, 2^(4+2+6) YAY MATH! :D

  5. anonymous
    • 5 years ago
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    thank you! turns out my answer was right... but the answer in the back of the textbook was confusing me. i was actually looking at the wrong answer :P thanks!

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