Please help I need this done in a hour I will give brainleast and please don’t steal points if I fail this I will fail so please someone do it for me I don’t understand this

Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2

The diameter of the moon is about 3500 km. approximate the surface area of the moon using the formula for the surface area of a sphere, s = 4? r^2. write your answer in scientific notation.

Which of the following exponentially equations is equivalent to the logarithmic equation below?