Prefix tera and giga stands for which multiples ?

Prefix zepto and femto stands for which multiples ?

Prefix zepto and femto stands for which multiples ?

Prefix yocto, atto and zeta stands for which multiples ?

Prefix yocto, atto and zeta stands for which multiples ?

The prefix tera means

If X stands for addition, V stands for subtraction, U stands for 'equal to'. ^^ stands for division, sum stands for multiplication, sigma stands for greater than and ansigma stands for less than. State which expression is true.

If - stands for addition, + for division, x for substraction, and div stands for multiplication, then which of the following is correct?

The prefix yotta stands for

The prefix pico stands for