TODAY IN ALGEBRA…Warm up: Scientific Notation Half

SheetSTATs Ch.8 Mid Test

Learning Target 1: 8.4 You will read and write numbers in scientific notation

In class work 8.4 DUE TODAY

Learning Target 2: 8.5 Intro to exponential growth functions

HW#3 Due Today

Warm Up:

You have 10 minutes to complete the half-

sheet.

HOW DID YOU “SHAPE” UP??Results for ALL of my Algebra classes:

GRADE NUMBER OF STUDENTS WHO TOOK THE MID CH.8 TEST

1ST PERIOD 6TH PERIOD TOTAL

A/A- 13 9 22

B+/B/B- 4 6 10

C+/C/C- 1 3 4D+/D 2 2 4

F 8 2 10

Average 22.55 24.70 23.63

SCIENTIFIC NOTATION: • c is any number between 1 and 10• n is any integer

EXAMPLE:STANDARD FORM SCIENTFIC NOTATION

.

8.4 SCIENTIFIC NOTATION

. or

or ...

.

move decimal left

move decimal left

move decimal right

move decimal right

EXAMPLE:SCIENTIFIC NOTATION STANDARD FORM

PRACTICE:1. Write in scientific notation:

2. Write in standard form: .

2.00750000000

00000001 .685.

.

.

8.4 SCIENTIFIC NOTATION

.

move decimal left

move decimal right

0000000 4.5

PRACTICE ORDERING NUMBERS FROM LEAST TO GREATEST

EXAMPLE: Write the following numbers from least to greatest:

Write all numbers in either scientific notation OR standard form.

PRACTICE: Write the following numbers from least to greatest: . .

7.80000000.

8.4 SCIENTIFIC NOTATION

780,000,000𝟖𝟎 ,𝟕𝟔𝟎 ,𝟎𝟎𝟎 ,𝟏𝟎𝟑 ,𝟒𝟎𝟎 ,𝟎𝟎𝟎 ,𝟕 .𝟖×𝟏𝟎𝟖

2.75×104

𝟐𝟕 ,𝟓𝟎𝟎 ,𝟑 .𝟒𝟎𝟏×𝟏𝟎𝟒 ,𝟐 .𝟕×𝟏𝟎𝟓

8.4 SCIENTIFIC NOTATIONALGEBRAIC OPERATIONS IN SCIENTIFIC NOTATION: Evaluate the expression. Write your answer in scientific notation.a.

b.

c.

Add exponents

Multiply exponents

Subtract exponents

Add exponents

8.4 SCIENTIFIC NOTATIONPRACTICE: Evaluate the expression. Write your answer in scientific notation.a.

b.

c.

Multiply exponents

Subtract exponents

Add exponents

HOMEWORK:

IN CLASS WORK DUE TODAY

If finished, work on other assignments:

HW #1: Pg. 492: 4-48 evenHW #2: Pg. 498: 4-44 evenHW #3: Pg. 506: 4-44 even