OEF Powers --- Introduction ---

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 :
= = = -
= -\

:

:

:
• =
• =
• =

:
• =
• =
• =

:
• =
• =
• =

Table of powers

Complete the table:

Table of powers II

Complete the table:
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