Scientific Notation Intro

Scientific Notation

Introduction

Multiple Choice

Choose the correct decimal placement for 250,000

• $2.50000$

• $25.0000$

• $2500.00$

• 
  

  $250000.0$

Multiple Choice

Move the decimal so that there is one digit to the left of the decimal

• $2.50000$

• $25.0000$

• $2500.00$

•  $250000.0$ 

 $25$ 

Multiple Choice

Does $2.5\ \times\ 10$ equal 250,000?  

• Yes 

• No

 $250$ 

Multiple Choice

Does $2.5\ \times\ 10\ \times\ 10$ equal 250,000?  

• Yes 

• No

 $2500$ 

Multiple Choice

Does $2.5\ \times\ 10\ \times\ 10\ \times\ 10$ equal 250,000?  

• Yes 

• No

 $25,000$ 

Multiple Choice

Does $2.5\ \times\ 10\ \times\ 10\ \times\ 10\ \times\ 10$ equal 250,000?  

• Yes 

• No

 $250,000$ 

Multiple Choice

Does $2.5\ \times\ 10\ \times\ 10\ \times\ 10\ \times\ 10\ \times\ 10$ equal 250,000?  

• Yes 

• No

Open Ended

What do you notice about the exponent and the number of places the decimal moved?

Multiple Choice

Is the exponent in  $8\ \times\ 10^3$   positive or negative?

• Positive

• Negative

Multiple Choice

Is the standard form number $8000$  larger than the number 10 or smaller than the number 10?

• larger

• smaller

Multiple Choice

Is the exponent in $6\ \times\ 10^{-3}$  positive or negative?

• positive

• negative

Multiple Choice

Is the standard form number $.006$ larger than the number 1 or small than the number 1? 

• larger

• smaller

Multiple Choice

The standard form of $2.7\ \times\ 10^4$ is  $270,000$  

• True

• False

Multiple Choice

Write 8100 in scientific notation

• $8.1\ \times\ 10^{-3}$

• $8.1\ \times\ 10^3$

• $81\ \times\ 10^2$

• $81\ \times\ 10^{-2}$

Multiple Choice

Write .000042 in scientific notation

• $4.2\ \times\ 10^{-5}$

• $42\ \times\ 10^{-4}$

• $4.2\ \times\ 10^5$

• $42\ \times\ 10^4$