Which of the following expressions will produce an answer with three significant figures? a) 100x3.4 b) 2101/23.7 c) 20 - 40.8 d) 22.67 + 14.6

[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.