When expressed in scientific notion the number 1,230,000,000 is 1.23 x 10b. the value of b is.

a.2.
b. 7.
c 8.
d. 9.
e 10

In trapezoid efgh, m∠gfe=63∘. identify m∠ghe. !

Which of the following are accepted without proof in a logical system? check all that apply.

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.