algebra

5 x 3^n

(This is all i have for the question but i don't know how to solve it)

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asked by Anna
  1. nor do I unless you have a value for n

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    posted by Damon
  2. The choices are:
    A. 15, 30, 45, 60
    B. 5, 15, 45, 135
    c. 0, 15, 45, 135
    D. 15, 45, 135, 405

    But I'm not sure how you find those answers??

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    posted by Anna
  3. Oh !

    5*3^1 = 15
    5*3^2 = 5*9 = 45
    45* 3 = 135
    135 * 3 = 405

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    posted by Damon

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