SS1 First Term Mathematics Lesson Note – Number Base System

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WEEK 6

Subject: Mathematics

TOPIC: Number Base System

CONTENT

• Conversion from other bases to base 10 and vice versa.
• Conversion of decimal fraction in other bases to base 10 and vice versa.

Concept of expanded notation: Every decimal number X can be expressed uniquely in the form:

This is known as the expanded notation

EXAMPLE 1

Express the following in expanded notation form

• 45078 (b)   0235               (c)   930.133

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