. Pierre deposits 8,000 in a certificate of deposit that pays 8% interest, compounded semiannually. How much interest does the account eam in the first six months? What is the balance after six months?​

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

Enter numbers to write 0.000328 0.000328 in scientific notation. 1 1 0.000328=3.28 × 0 . 000328 = 3 . 28 × =3.28×10 = 3 . 28 × 10