Charles begins finding the volume of a trapezoidal prism using the formula a = (b1 b2)h to find the prism's base area. a = ((x 4) (x 2))x a = (2x 6)x a = (x 3)x a = x2 3x which expression can be used to represent the volume of the trapezoidal prism? 2x3 6x2 x3 6x2 x3 3x2 2x3 3x2

Step-by-step explanation:

We are given that

Prism's base area =

Formula for finding the volume of  a trapezoidal prism =

Where =Area of base

h=Height of prism

We have to find the expression that can be used to represents the volume of the trapezoidal prism.

Height of prism=2x

Substitute the values in the formula then, we get

Volume of trapezoidal prism=

Volume of trapezoidal prism=

Hence, the expression that can be used to represents the volume of trapezoidal prism is given by

since your problem is x^4 = 81, what you have to undeo is the "to the fourth power" part.

the inverse (opposite operation) of "to the fourth power" is "to the fourth root".

  (x^4) ^ ¼   = 81 ^ ¼  

  81 = 3^4     so (3 ^ 4) ^ ¼   =   3 ^ 1   = 3

by hand: (3 ^ 4) ^ ¼   =   3 ^ (4 x ¼) = 3 ^ 1   = 3   (when you take a power to a power, multiply the exponents.)

or, do it by calculator. one way of finding the fourth root is to use ^ (1/4)

step-by-step explanation:

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answer: d.) the total number of protons and neutrons is 15

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