Your electrical bill states that you used 870 kilowatt-hours of energy in January determine your total electrical energy use in joules?

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population,find the population standard deviation, o.79828588912497

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25