Which of the following correctly expresses the number below in scientific notation? 0.765
a. 7.65 • 10-6
b. 7.65 • 10-7
c. 7.65 • 10-5
d. 76.5 • 10-7
e. 765 • 10-8
f. 765 • 10-6

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

Opposite angles in a parrellelogram are