review for Exponents Scientific Notation Identify the value

review for Exponents & Scientific Notation

Identify the value of n. 4 5 n (3 ) = 3

Identify the rule you need to apply to simplify the expression. Then Simplify.

Simplif. Yy.

Simplify and Explain your reasoning. 0

Convert to Scientific Notation: 4, 532, 000, 000

Convert to Standard Notation 1. 2 x 10 -9

Convert to Standard Notation -5. 3 x 10 5

Compare the following numbers. Use a <, >, or = sign. 1. 8 x 3 10 ____1. 9 x -1 10

Compare the following numbers. Use a <, >, or = sign. 5. 2 x 3 10 _____6. 1 x 3 10

Compare the following numbers. Use a <, >, or = sign. . 00701_______7. 1 x 10 -3

Bubba and Fred are having a bubble-blowing contest. The diameter of Bubba’s bubble is -2 2. 45 x 10 feet. Fred’s bubble is -2 3. 67 x 10 feet. What is the difference in the diameter of their bubbles?

6 10 In 2009 there were 2. 35 x ferrets kept as pets in India. At the same time there were 5 3. 43 x 10 ferrets kept as pets in France. How many pet ferrets were in there in total in those two countries?

(2. 89 x 2 10 ) – (3. 4 x = -2 10 )

The average mass of a grain of -5 sand is 1. 5 x 10 grams. Erin’s sandbox has approximately 11 3. 067 x 10 grains of sand in it. What is the mass of the sand in Erin’s sandbox?

The diameter of an average cell -5 in a human body is 1 x 10 mm. If the diameter of a pin head is -2 2 x 10 , how many body cells would fit on the pin head?

Bubba’s boot barn was closed last Wednesday so that it could be fogged to kill an infestation of turtle beetles. Turtle beetles are very slow – they -2 move at a pace of 3. 45 x 10 feet per minute. If the beetles ran for their lives as the exterminator came close, how far could they get in 15 minutes?

The US spends on average $9, 000 on each student per year. There about 77, 000 students in the United States. About how much money total is spent on students each year?