50% of babies are born female. Olive wants to find the probability that 20 or more of the 50 babies are born today were female. use the simulation data to find the probability. Round to the nearest percent.

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.

Adele is five years older than timothy. in three years, timothy will be 2/3 of adele’s age. what is adele‘s current age?