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To save on production costs, most automobile bumpers are never coated with more than 200 g of chromium. Determine how much time a standard bumper should be immersed in a chromium vat. need full explanation i did find this question but it was not explained...

It takes 96,485 coulombs to plate 1 equivalent Cr(52/6= about 8.67 g). To plate 200 g will require how many C? 96.485 x (200/8.67) = ? C Then amperes x time = C You know A and C, solve for time (in seconds) where does the 6 come from?

Your search for a researcher has determined that an equation that models the height of a particular species of tree is y=20.2log(x), where y is height in metres and x is time in years. Predict the height of the tree after 30years and predict how old the t...