Can someone please help me with with this!

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i

Calculate the average rate of change over the interval [1, 3] for the following function. f(x)=4(5)^x a. -260 b. 260 c. 240 d. -240

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?