Exponents. Location of Exponent An An exponent is a little number high and to the right of a regular...

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Exponents

Location of Exponent

An exponent is a little number high and An exponent is a little number high and to the right of a regular or base number.to the right of a regular or base number.

3 4Base

Exponent

Definition of Exponent

An exponent tells how many times An exponent tells how many times a number is multiplied by itself. a number is multiplied by itself.

3 4Base

Exponent

What an Exponent Represents

An exponent tells how many times An exponent tells how many times a number is multiplied by itself.a number is multiplied by itself.

34= 3 x 3 x 3 x 3

How to read an Exponent

This exponent is read This exponent is read three to the three to the fourth power.fourth power.

3 4Base

Exponent

How to read an Exponent

This exponent is read This exponent is read three to the three to the 22ndnd power power oror three squared. three squared.

3 2Base

Exponent

How to read an Exponent

This exponent is read This exponent is read three to the three to the 3rd power 3rd power oror three cubed. three cubed.

3 3Base

Exponent

Read These Exponents

3 2 6 72 3 5 4

What is the Exponent?

2 x 2 x 2 = 23

Any number to the 1st power equals that number.

66¹ = 6¹ = 6

Any number to the zero power equals one.

88º = 1º = 14º = 14º = 1

2005º = 12005º = 1

What is the Exponent?

3 x 3 = 3 2

What is the Exponent?

5 x 5 x 5 x 5 = 54

What is the Base and the Exponent?

8 x 8 x 8 x 8 = 8 4

What is the Base and the Exponent?

7 x 7 x 7 x 7 x 7 =7 5

What is the Base and the Exponent?

9 x 9 = 9 2

How to Multiply Out an Exponent to Find the

Standard Form

= 3 x 3 x 3 x 33

927

81

4

What is the Base and Exponentin Standard Form?

4 2= 16

What is the Base and Exponentin Standard Form?

2 3= 8

What is the Base and Exponentin Standard Form?

3 1= 3

What is the Base and Exponentin Standard Form?

5 0= 1

Exponents Are Often Used inArea Problems to Show the

Feet Are Squared

Length x width = areaA pool is a rectangleLength = 30 ft.Width = 15 ft.Area = 30 x 15 = 450 ft. 2

15ft.

30ft

Exponents Are Often Used inVolume Problems to Show the

Centimeters Are CubedLength x width x height = volumeA box is a rectangleLength = 10 cm.Width = 10 cm.Height = 20 cm.Volume =

20 x 10 x 10 = 2,000 cm.3

10

10

20

Here Are Some AreasChange Them to Exponents

40 feet squared = 40 ft.56 sq. inches = 56 in.38 m. squared = 38 m.56 sq. cm. = 56 cm.

2

2

2

2

Here Are Some VolumesChange Them to Exponents

30 feet cubed = 30 ft.26 cu. inches = 26 in.44 m. cubed = 44 m.56 cu. cm. = 56 cm.

3

3

3

3

Exponents of TenNotice that the number of zerosNotice that the number of zerosmatches the exponent numbermatches the exponent number

210101010

34

5

1001,00010,000100,000

Exponents of TenWhat Is the Standard Form What Is the Standard Form

of These Tens?of These Tens?

210101010

34

5

1001,00010,000100,000

Multiplying Multiples of Ten

Multiply These NumbersMultiply These Numbers

100 x 2 =

1,000 x 3 =

10,000 x 7 =

100,000 x 9 =

200

3,000

70,000

900,000

Multiplying Multiples of TenDid you notice that all you Did you notice that all you

have to do is multiply 1 x wholehave to do is multiply 1 x wholenumber & add the zeros behind?number & add the zeros behind?

100 x 2 =1,000 x 3 =10,000 x 7 =100,000 x 9 =

2003,000

70,000900,000

Short Cut for Writing Large Numbers

Combine these two steps forCombine these two steps forwriting large numbers.writing large numbers.

6 x 10 2 =

6 x (10 x 10) = 6 x 100 = 600

600

Short Cut for Writing Large Numbers

Remember!Remember!The exponent is the same as the The exponent is the same as the

number of zeros.number of zeros.

6 x 10 2

= 600

What is the Standard Number?

7 x 10 2 = 700

What is the Standard Number?

8 x 10 3 = 8,000

What is the Standard Number?

9 x 10 4 = 90,000

What is the Standard Number?

4 x 10 2 = 400

What is the Exponent Form?

7 x 10 5

=700,000

What is the Exponent Form?

5 x 10 2

=500

What is the Exponent Form?

6 x 10 3

=6,000

What is the Exponent Form?

9 x 10 4

=90,000

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