A micrometre is a thousandth of a metre.
somthing
The value of something
double penatration (flip thing
Yes, it is a prefix meaning a thousand.
a reflection is the image of the object in a mirror
Te term "mathematic" is a descriptive adjective used to describe something related to math; the term "mathematician" is a noun meaning a person skilled or learned in math.
Micrometer is a device for measuring very small distances, objects, or angles, especially one based on the rotation of a finely threaded screw. Also called mike, micrometer caliper.
the meaning of power in math is there are no rules in math
Many is not a mathematical term so its meaning is determined by whatever it means in English.
The range of a set of numbers is the highest number minus the lowest number.
denoting the middle term of a series arranged in order of magnitude, or (if there is no middle term) the average of the middle two terms.
A giga-micron is one billion microns. A micron is the informal term for a micrometer, or one-millionth of a meter. Doing some math, 10^9 - 10^6 = 10^3, or 1,000 meters.