A. cardinality means no of elements present in the set. b. no of proper set = 2^n - 1 c. no of subset = n 2^n = 512 2^n = 2^9 n = 9. Q. power set: a. { 3,7,9} = {3,7,9,(3 7),(7 9),(9 3)}
Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?
Marcus needs to bike at least 80 miles this week for his training. if he has already biked 25 miles this week, then how many miles should he bike on each of the 5 remaining days this week ?