Estimate each quotient by first rounding each number to the nearest ten.
then find the actual answer by long division.
a) 87 ÷ 9 b) 78 ÷ 8 c) 91 ÷ 8 d) 126 ÷ 9

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ∞ n(n − 1)cnxn − 2 n = 2 − 4 ∞ ncnxn n = 1 + ∞ cnxn n = 0