2.2.5 Properties of Exponents

Presentation

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Mathematics

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8th Grade

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Hard

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CCSS

8.EE.A.1, 7.NS.A.1C, 6.EE.A.1

Standards-aligned

Sara Fisher

FREE Resource

4 Slides • 6 Questions

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Agenda

**Question of the Day

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Multiple Choice

Warm-Up

$2^3\ x\ 2^{4\ }\ =\$

$2^{12}$

$2^7$

$2^1$

$2^{34}$

Computer Memory

Computers often need additional memory to handle new ungraded features.
- If a system has a binary memory power of 2³ but the software engineer adds additional memory power of 2⁴, the computer system now has a memory of 2⁷!
Negative exponents are used to represent how small something is!
- Computer chips get smaller as technology advances. Engineers use negative exponents to measure different parts of a device to calculate overall size! What is 2^-7?

Multiple Choice

What is 2^-7

128

-128

$\frac{1}{128}$

$-\frac{1}{128}$

Multiple Choice

Which makes the following statement true?

If you have a NEGATIVE exponent, it represents a number _________ than 1!

Greater than

Less than

Equal to

Properties of Exponents and Order of Operations

Open Ended

Does $5^9\ x\ 6^{7\ }\ =\ 30^{16}$ ? Explain

Type response here

Draw

Solve $9^{-8}\ x\ \frac{1}{9^3}$ . Write your answer using positive exponents

Multiple Choice

How can you write $\frac{45^{-3}}{45^3}$ using positive exponents?

$45^6$

$45^0$

$45^{-1}$

$\frac{1}{45^6}$

STUDY!!!!

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