Significant Figures

Open Ended

Write a joke to tell the class (APPROPRIATE)

- One random person will get chosen to share their joke

Scientific Notation

• 1st Number between 1 and 9

• 2nd Number base 10 With an exponent

​

• Larger numbers will always be positive

• Numbers larger than 1

​- Small numbers will always be negative exponents

• Numbers smaller than 1​

Multiple Choice

Which one of these is in scientific notation?

• 8.987000

• 8.98 x 10⁶

• 80.987 x 10

• 8.98⁶

Multiple Choice

How would you write 0.0005 in scientific notation?

• 50 x 10^-5

• 5 x 10^-4

• 5 x 10³

• .5 x 10³

Multiple Choice

How would you write 4.3756 x 10⁴ in standard form?

• 437,560,000

• 0.00043756

• 43,756

• 4,3756

Multiple Choice

How do you write

1001

in scientific notation?

• 1.0001 x 10⁴

• 1.01 x 10⁵

• 1.001 x 10³

• 10.1 x 10³

Multiple Choice

How do you write

8.317 x 10⁶

in standard form?

• 8, 371, 000

• 83, 170, 000

• 837, 100

• 8, 317, 000

​Rule #1 - NOn Zero digits

ALL non-zero digits DO count!

• Numbers 1-9 ALWAYS count as a significant figure​

​498

​

​

​3 sig figs!

​2 sig figs!

​1 sig fig!

​79

​2

Multiple Choice

Identify the type of underlined zero.

10,957,010 mm

• Leading

• Trapped

• Trailing

Multiple Choice

Identify the type of underlined zero.

0.0045040 mm

• Leading

• Trapped

• Trailing

Rule #2

Zeros to the right of decimal and a significant digit DO count.

​498.00

​

​

​4 sig figs!

​5 sig figs!

​3 sig figs!

​ 79.0

​2.000

Rule #3

Zeroes between significant figures DO count

​409

​

​

​5 sig figs!

​3 sig figs!

​4 sig figs!

​7006

​20004

Rule #4

Zeroes at the end of a whole number DO NOT count.

​400

​

​

​1 sig fig!

​1 sig fig!

​2 sig figs!

​7500

​20

Rule #5

Zeroes in front of a number as placeholders DO NOT count.

0.004

​

​

​2 sig figs!

​1 sig fig!

​4 sig figs!

​0.07500

​0.20

Match

Match the following rule and its example

• Non-zero

• Leading Zero

• Sandwich Zero

• Trailing Zero

68

0.529

4013

900

• 68

• 0.529

• 4013

• 900

Multiple Choice

Sig Fig Rule 1. Any non-zero digit ____ significant.

• is

• is not

Multiple Select

Which of the following numbers have two significant figures?

• 21

• 4900.

• 0.000210

• 0.023

Multiple Choice

Identify the type of underlined zero.

0.0050500 Liters

• Leading

• Trapped

• Trailing

Multiple Choice

Sig Fig Rule 2. Any zero between two non-zero numbers ____ significant.

• is

• is not

Multiple Choice

Sig Fig Rule 3. Leading zeros _____ significant.

• are

• are not

Multiple Choice

How many sig figs are there?
0.000008

• 1
• 2
• 6
• 7

Multiple Choice

How many significant figures?

0.150

• 1

• 2

• 3

• 4

Multiple Choice

Sig Fig Rule 4. Trailing zeros when a decimal is not present ____ significant.

• are

• are not

Multiple Choice

How many sig figs does 600 have?

• 1

• 2

• 3

• 0

Draw

Draw your favorite food

Poll

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