Kelly simplified this power of a product. (7w–9)–3

1. 7–3∙(w–9)–3

2. 1
343
w27

Use Kelly’s steps to simplify this expression.

(5w7)2

What is the simplified power of the product?
A) 5w9
B) 10w14
C) 25w9
D) 25w14

What is the least common factor of 6 and 8

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)

In a test for esp (extrasensory perception), a subject is told that cards only the experimenter can see contain either a star, a circle, a wave, or a square. as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. a subject who is just guessing has probability 0.25 of guessing correctly on each card. a. the count of correct guesses in 20 cards has a binomial distribution. what are n and p? b. what is the mean number of correct guesses in 20 cards for subjects who are just guessing? c. what is the probability of exactly 5 correct guesses in 20 cards if a subject is just guessing?