Powers of 10 with Negative Exponents

Presentation

•

Mathematics

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7th - 9th Grade

•

Hard

Joseph Anderson

FREE Resource

7 Slides • 4 Questions

1-21 Negative Exponents

Introduced in L51

Warm Up

Learning & Habit Objectives

Learning: I will work with negative exponents

Habit: I will take beautiful notes and use them

Success Criteria

I can simplify expressions in scientific notation with negative exponents
I can simplify base expressions with negative exponents

Notebook: Scientific Notation with Negative Exponents

Notebook: Rename 0.0008 in scientific notation (will do in class)

1) Draw a line where the decimal needs to go to put the 8 in the ones place

2) Count the digits between the . and your line: this number will be your exponent on the 10. Make it a negative number

3) Write your answer in scientific notation

Multiple Choice

Simplify

$5.25\times10^{-2}$

$\frac{1}{100}$

0.0525

$525$

Multiple Choice

Rename in scientific notation

$0.007$

$7\times10^{-3}$

$70\times10^{-4}$

$0.7\times10^{-2}$

Bond. James Bond.

Multiple Choice

Simplify

$5^{-2}$

$0.05$

$25$

$\frac{1}{25}$

$\frac{1}{10}$

Multiple Choice

Simplify

$\left(\frac{2}{3}\right)^{-2}$

$\frac{9}{4}$

$\frac{4}{9}$

$\frac{.02}{.03}$

$\frac{.04}{.09}$

1-21 Negative Exponents

Introduced in L51

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