What is the fourth term of the expansion of the binomial (2x + 5)^5?

Question

amistre64 · Answer

you either know of pascals triangle, or a binomial expansion

amistre64 · Answer

if not, then you have a point of study to focus on

anonymous · Answer

i know what they are i just need help with solving the problem. i dont understand it. and im taking an online course

amistre64 · Answer

well, pascals triangle gives us the coefficients of the expansion

the rest is just working the exponents in the right order i spose

give it a shot, let me see what you come up

amistre64 · Answer

.. having connection issues

anonymous · Answer

okay. thank you

amistre64 · Answer

binomial thrm gives us:

$$(a+b)^n=\sum_{k=0}^{n}\binom{n}{k}a^{n-k}~b^k$$

anonymous · Answer

thank you i got the answer

amistre64 · Answer

yep, good luck and all ;)