Find the simplified form of the expression. Give your answer in scientific notation. (8 x 10^4)(9 10^-8)
a.7.2×10^-5
b.7.2×10^-3
c.72×10^-4
d.7.2×10^-31​

Question 1 (50 points) your friend, taylor, missed class today and needs some identifying solutions to systems. explain to taylor how to find the solution(s) of any system using its graph. question 2 (50 points) taylor graphs the system below on her graphing calculator and decides that f(x)=g(x) at x=0, x=1, and x=3. provide taylor some feedback that explains which part of her answer is incorrect and why it is incorrect. f(x)=2x+1g(x)=2x2+1

What is the slope of the line (-7,2) (4,6)

What ia the sum if the first 7 terms of the geometric series