Please help thank you so much

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

Ajar of gumballs contains 4 reds, 2 greens, and 6 blues. what is the probability of getting two blues in a row without replacement?

Suppose a gym membership has an initial enrollment fee of $75 and then a fee of $29 a month. which equation models the cost, c, of the gym membership for m months?