CIA: SI Prefixes Flashcards

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Questions and Answers

What does the prefix 'giga-' mean?

billion (10^9)

What does the prefix 'mega-' mean?

million (10^6)

What does the prefix 'kilo-' mean?

thousand (10^3)

What does the prefix 'deci-' mean?

tenth (10^-1) Signup and view all the answers

What does the prefix 'centi-' mean?

hundredth (10^-2) Signup and view all the answers

What does the prefix 'milli-' mean?

thousandth (10^-3) Signup and view all the answers

What does the prefix 'micro-' mean?

millionth (10^-6) Signup and view all the answers

What does the prefix 'nano-' mean?

billionth (10^-9) Signup and view all the answers

What is the symbol for the SI prefix of 'giga-'?

G Signup and view all the answers

What is the symbol for the SI prefix of 'mega-'?

M Signup and view all the answers

What is the symbol for the SI prefix of 'kilo-'?

k Signup and view all the answers

What is the symbol for the SI prefix of 'deci-'?

d Signup and view all the answers

What is the symbol for the SI prefix of 'centi-'?

c Signup and view all the answers

What is the symbol for the SI prefix of 'milli-'?

m Signup and view all the answers

What is the symbol for the SI prefix of 'micro-'?

mu (Greek letter similar to a 'u') Signup and view all the answers

What is the symbol for the SI prefix of 'nano-'?

n Signup and view all the answers

The SI prefix of 'giga-' means multiplying a unit by what?

1,000,000,000 Signup and view all the answers

The SI prefix of 'mega-' means multiplying a unit by what?

1,000,000 Signup and view all the answers

The SI prefix of 'kilo-' means multiplying a unit by what?

1000 Signup and view all the answers

The SI prefix of 'deci-' means multiplying a unit by what?

0.1 Signup and view all the answers

The SI prefix of 'centi-' means multiplying a unit by what?

0.01 Signup and view all the answers

The SI prefix of 'milli-' means multiplying a unit by what?

0.001 Signup and view all the answers

The SI prefix of 'micro-' means multiplying a unit by what?

0.000001 Signup and view all the answers

The SI prefix of 'nano-' means multiplying a unit by what?

0.000000001 Signup and view all the answers

Study Notes

SI Prefixes Overview

SI prefixes are used in the International System of Units to denote powers of ten.
Each prefix represents a specific magnitude, making it easier to express large and small quantities.

Giga-

Meaning: Billion (10^9)
Symbol: G
Multiplier: A unit is multiplied by 1,000,000,000 to achieve the prefix giga-.

Mega-

Meaning: Million (10^6)
Symbol: M
Multiplier: A unit is multiplied by 1,000,000 to achieve the prefix mega-.

Kilo-

Meaning: Thousand (10^3)
Symbol: k
Multiplier: A unit is multiplied by 1,000 to achieve the prefix kilo-.

Deci-

Meaning: Tenth (10^-1)
Symbol: d
Multiplier: A unit is multiplied by 0.1 to achieve the prefix deci-.

Centi-

Meaning: Hundredth (10^-2)
Symbol: c
Multiplier: A unit is multiplied by 0.01 to achieve the prefix centi-.

Milli-

Meaning: Thousandth (10^-3)
Symbol: m
Multiplier: A unit is multiplied by 0.001 to achieve the prefix milli-.

Micro-

Meaning: Millionth (10^-6)
Symbol: μ (Greek letter similar to a "u")
Multiplier: A unit is multiplied by 0.000001 to achieve the prefix micro-.

Nano-

Meaning: Billionth (10^-9)
Symbol: n
Multiplier: A unit is multiplied by 0.000000001 to achieve the prefix nano-.

Summary of Multipliers

Each SI prefix corresponds to a specific numerical value used to convert quantities:
- Giga-: 1,000,000,000
- Mega-: 1,000,000
- Kilo-: 1,000
- Deci-: 0.1
- Centi-: 0.01
- Milli-: 0.001
- Micro-: 0.000001
- Nano-: 0.000000001

Applications

SI prefixes simplify communication in scientific and technical disciplines by providing clear measures for varying quantities.

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Description

Test your knowledge of SI prefixes with this interactive flashcard quiz. Explore the meanings of common prefixes such as 'giga-', 'mega-', and 'kilo-'. Perfect for students looking to reinforce their understanding of scientific terminology.