Ahypothesis test is performed to evaluate : =450 versus : < 450 using a sample size of =20 . the one‑sample statistic had the value =−2.20 . what do we know about the ‑value for this test?

What is always true about a positive integer raised to a negative odd power?

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?