One millivolt is equal to

A. 0.000001 volt.

B. 0.001 volt.

C. 1000 volts.

D. 1,000,000 volts.

B. 1 millivolt is equal to. 001 volt

Micro - > Milli - > Centi - > Deci - > Base (no prefix) - > Deca - > Hecto - > Kilo

Milli to volts = Add three zeros to the decimal place before 1 because Milli is three prefixes before the Base (volt)

1.0 = Move the decimal place to the left 3 times, because milli is three to the left of the base, and since you're making the number bigger (milli to base)

0.001

B. 0.001 volt