National 5 Prefixes and Rounding Flashcards

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1
Q

What does the prefix G stand for?

A

G stands for giga

giga = x 109

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2
Q

What does the prefix µ stand for?

A

µ stands for micro

micro = x 10-6

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3
Q

Round off this number to 3 significant figures.

3.14159

A

3.14159 rounded off to 3 significant figures is

3.14

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4
Q

Round off this number to 3 significant figures.

6.22789

A

6.22789 rounded off to 3 significant figures is

6.23

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5
Q

Round off this number to 3 significant figures.

1,526.33

A

1,526.33 rounded off to 3 significant figures is

1,530

(the ‘2’ has been rounded up to 3)

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6
Q

What does the prefix n stand for?

A

n stands for nano

nano = x 10-9

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7
Q

Round off this number to 3 significant figures.

0.0025668

A

0.0025668 rounded off to 3 significant figures is

0.00257

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8
Q

What does the prefix k stand for?

A

k stands for kilo

kilo = x 103

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9
Q

What does the prefix M stand for?

A

M stands for mega

mega = x 106

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10
Q

What does the prefix m stand for?

A

m stands for milli

milli = x 10-3

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