HELP ME PLEASE!!1 I WILL GIVE !20 POINTS! AND BRAINLIST PLEASE I DON'T UNDERSTAND THIS AND ITS DUE SOON EPLAIN YOUR ANSWERS TOO PLEASE

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

Type the correct answer in each box. use numerals instead of words. if necessary, use / fir the fraction bar(s). the graph represents the piecewise function: h

If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 165-pound man? 1.0 kg ca 5.1 kg ca 1.0 x 102 kg ca 5.1 x 102 kg ca