N to the second power - 5 in - 1 in equals 6​

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared

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