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March 31, 2015

March 31, 2015

Posted by **Enis** on Wednesday, February 27, 2013 at 1:52pm.

- Math 130 -
**bobpursley**, Wednesday, February 27, 2013 at 2:28pm1+3=4

1+3+5=9

1+3+5+7=16

notice it goes like this:

first two = 2^2

first three=3^3

first four= 4^2

first 15=15^2

first hundred= ???

- Math 130 -
**Enis**, Wednesday, March 6, 2013 at 3:53pmHow many four-digit numbers abcd exist such that a is even, b is divisible by 5, c is prime, and d is odd?

- Math 130/ help please -
**ENIS**, Friday, March 15, 2013 at 7:42pmFind the smallest values for a and b so that 21 base a equals 25 base b.

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