Using the binomial theorem to expand (1+4x)^4​

!

Explanation:

The coefficient of the kth term (ordering in increasing order for the exponent of x) is just the number of ways we have to choose k factors from that expression, so if we let k be the exponent of x, and n be the total number of terms, the coefficient of

is

. For example, the coefficient of the third grade te

tracks, burrows, eggshells, nests, tooth marks, or gastroliths

what is the average time it took the car to travel 0.25 meters?

⇒ 2.23 seconds

what is the average time it took the car to travel 0.50 meters?

⇒ 3.13 seconds