Math Homework Help - Tagged with exponent

What is the units digit in the number (123457)^655?Please tell how to solve these types of questions.

Posted by falsefantasy January 18, 2013 at 11:15 AM via web. 2 educator answers. »

Evaluate:  A. 2^-3 B. 18^0 C. 4^0 + 4^-5

Posted by paulbarton October 9, 2012 at 1:29 AM via web. 1 educator answer. »

Simplify: `y= ln (sqrt(e^(3x*(x^2-1))))`

Posted by gmos123 September 24, 2012 at 7:26 AM via web. 1 educator answer. »

Show that the sequence {10^n/n!} converges and find its limit.Not familiar with finding the limit when a factorial is involved. 

Posted by sbajwa5 September 17, 2012 at 6:49 PM via web. 1 educator answer. »

Prove that the series (n=3 to inf.) 1/(n(ln(n))(ln(ln(n)))^p) converges if p > 1 and diverges if p <= 1 Tried this one for a bit but I...

Posted by sbajwa5 September 17, 2012 at 6:46 PM via web. Be the first to answer. »

Find the sum of the infinite series of [(3/(4^n)) - (2/(5)^(n-1))]I did this question in my homework and found the answer to be 4/5. However I...

Posted by sbajwa5 September 16, 2012 at 9:30 PM via web. 1 educator answer. »

Find the sum of the infinite series (n goes from 1 to infinity) of [7/(3)^n) + (6/((n+3)(n+4))]I get that the series can be split into two...

Posted by sbajwa5 September 16, 2012 at 9:17 PM via web. 1 educator answer. »

How to find the limit of the sequence ((3n + 1)/(3n - 1))^n  ?I've toyed around with this question for a bit but I can't come to any answer...

Posted by sbajwa5 September 16, 2012 at 9:01 PM via web. 1 educator answer. »

Write 81 as a power of 9 and 100000 as a power of 10.

Posted by tesnao September 15, 2012 at 12:10 AM via web. 1 educator answer. »

Change the logarithmic expression: x = ln 11 to an equivalent expression involving an exponent

Posted by stargsd5 September 6, 2012 at 7:14 PM via web. 1 educator answer. »