This module currently contains 19 exercises on powers of a number, powers of 10, scientific notation .

Decimal numbers and powers of 10

Write the number
in two ways :

scientific notation

=
10^{
}

as
with
integer and not multiple of 10 :

=
10^{
}

Definition of scientific notation

Write the following number
using scientific notation:

^{
}

Definition of a power of 10

Determine the value of the number

You will write the answer as an integer or decimal number.

Definition of power, positive integer exponent

Determine the value of the number

Definition of power, relative integer exponent

Determine the value of the number

.

Give the result as an integer or an irreducible fraction.

Bounds of decimal numbers

Give bounds of the number
by consecutive powers of 10.

10^{
}
< 10^{
}

Operation 1

Complete the equality so that it becomes true:

^{
}

Give the result in the form
.

Operation 2

Complete the equality so that it becomes true:

^{
}

Give the result in the form
.

Order of magnitude

Determine an order of magnitude for the number
, as shown in class:

^{
}

If necessary, the exponent in the power of 10 can be zero..

Power of a number

Write
as a power of an integer (with the largest possible power):

=
^{
}

Powers of 10

Write the number as
= 10^{
}

Powers

The number
is
.
Write it as a product of powers :

= ^{
}^{
}
= ^{
}
= -^{
}^{
}

= -^{\
}

Power 2

:

Power from 2 to 4

:

Power 2, multiplication and addition

:

=

=

=

Power 2, multiplication and substraction

:

=

=

=

Power 2, multiplication and substraction or addition

:

=

=

=

Table of powers

Complete the table:

Table of powers II

Complete the table:

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Description: collection of exercices on calculation of powers. This is the main site of WIMS (WWW Interactive Multipurpose Server): interactive exercises, online calculators and plotters, mathematical recreation and games