National 5 Prefixes and Rounding Flashcards
What does the prefix G stand for?
G stands for giga
giga = x 109
What does the prefix µ stand for?
µ stands for micro
micro = x 10-6
Round off this number to 3 significant figures.
3.14159
3.14159 rounded off to 3 significant figures is
3.14
Round off this number to 3 significant figures.
6.22789
6.22789 rounded off to 3 significant figures is
6.23
Round off this number to 3 significant figures.
1,526.33
1,526.33 rounded off to 3 significant figures is
1,530
(the ‘2’ has been rounded up to 3)
What does the prefix n stand for?
n stands for nano
nano = x 10-9
Round off this number to 3 significant figures.
0.0025668
0.0025668 rounded off to 3 significant figures is
0.00257
What does the prefix k stand for?
k stands for kilo
kilo = x 103
What does the prefix M stand for?
M stands for mega
mega = x 106
What does the prefix m stand for?
m stands for milli
milli = x 10-3