Question

Which SI unit prefix is equivalent to 1,000,000?

• A. Mega
• B. milli
• C. centi
• D. Giga

Answer 1

The correct option is A

Mega

Some standard prefixes and their values are listed below:

Prefix	Symbol	Value
nano	n	${10}^{-9}$
micro	$\mu$	${10}^{-6}$
milli	m	${10}^{-3}$
kilo	k	${10}^3$
Mega	M	${10}^6$
Giga	G	${10}^9$