Which number is not in scientific notation?

A) 9 ⋅ 10 to the power of 19

B) 7.8 ⋅ 10 to the power of 6

C) 1.45 ⋅ 10to the power of - 7

D) 0.33 ⋅ 10 to the power - 15

Which of the following is not required when factoring a difference of perfect squares?. A ... the polynomial contains two terms. B ... the polynomial's terms are perfect squares. C ... the polynomial's terms are being subtracted. D ...

Based on the data in the two-way table, what is the probability that a person weighs 120 pounds, given that he or she consumes 2,000 to 2,500 calories per day?

My cell phone charges me $100 to register and then $0.10 per minute. How much will I be charged for 55 minutes? explain why this is linear or not linear

What is expression 42 subtract 7 multiplied by the sum of 2 and 4

The ratio of the number of sesame bagels to plain bagels is 1:3. What fraction of he bagels are plain?

Seth made 5 identical birdhouses in 4hours what fraction of an hour did it take Seth to make one birdhouse

56 1/4 as an improper fraction

You choose a card from a standard deck cards at random. What's the probability that you don't choose an ace? Explain.

A company plans to spend exactly 198,000$ annually for advertising a 1 minute radio commercial costs 400$ a 1 minute television commercial costs 5000$ if the company has a total of 60 1 minute television and radio commercials how many of each type

A bag contains only 3 blue disks, 3 green disks, and 4 orange disks. If 3 disks are selected at random from the bag, what is the probability that 1 of the disks will be green and 2 of the disks will be orangeA) 1/30 B) 1/20 C) 3/40 D) 1/10 E) 3/20