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Puissances de dix Exercice N° 1 : Mettre sous la forme de puissances de dix (10

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Puissances de 10 Page 1 / 1

Puissances de dix Exercice N° 1 : Mettre sous la forme de puissances de dix

(10

4

)

2

.10

4

= 10

(4x2)+4

= 10

8+4

= 10

12

(10

3

)

2

.10

3

=

(10

3

. 10

3

) : 10

-5

= (10

-3

. 10

-3

)

2

=

(10

4

)

3

.10

3

= 10

4

: (10

4

. 10

4

) =

(10

4

. 10

1

) : 10

-2

= (10

2

. 10

5

) : 10

5

=

(10

-2

. 10

3

)

3

= (10

3

)

5

.10

1

=

10

1

: (10

2

. 10

1

) = (10

-3

. 10

2

)

3

=

(10

4

)

3

.10

2

= (10

-3

. 10

1

)

3

=

(10

-3

. 10

-4

)

2

= (10

4

. 10

3

)

3

=

(10

4

. 10

4

)

1

= 10

4

: (10

5

. 10

2

) =

(10

4

. 10

-5

) : 10

3

= (10

-1

. 10

-2

)

2

=

Exercice N° 2 : Mettre sous la forme de puissances de dix

10

-3

: [(10

-1

)

3

. 10

5

] = [10

5

. (10

2

)

4

] : (10

2

)

4

=

[10

2

. (10

2

)

4

] : (10

2

)

4

= (10

-4

. 10

-1

) : (10

-3

. 10

-1

) =

[10

3

. (10

3

)

3

] : (10

3

)

3

= 10

-5

: [(10

-5

)

2

. 10

-3

] =

[10

3

. (10

1

)

1

] : (10

5

)

2

= [10

3

. (10

1

)

2

] : (10

4

)

4

=

(10

4

. 10

3

. 10

2

) : (10

5

. 10

3

) = (10

-3

. 10

-4

) : (10

-3

. 10

-2

) =

(10

5

. 10

4

. 10

1

) : (10

3

. 10

2

) = (10

-4

. 10

-1

) : (10

1

. 10

-1

) =

(10

-3

. 10

-5

) : (10

4

. 10

-3

) = (10

-5

. 10

2

) : (10

-2

. 10

-1

) =

[10

3

. (10

4

)

3

] : (10

1

)

3

= [10

2

. (10

2

)

2

] : (10

4

)

4

=

10

-2

: [(10

1

)

2

. 10

-3

] = 10

1

: [(10

-1

)

4

. 10

3

] =

(10

2

. 10

5

. 10

2

) : (10

3

. 10

4

) = [10

4

. (10

4

)

4

] : (10

1

)

3

=

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