(4) Read the sentence pairs . Choose which word best fits each blank. 1 mega/giga A A prefix that increases a unit by 1 ,000,000 is called __ B A prefix that increases a unit by 1 ,000,000,000 is called __ 2 nano/pico A A prefix that decreases a unit by 1,000,000,000,000 is called __ B A prefix that decreases a unit by 1,000,000,000 is called __ kilo / milli A A prefix that decreases a unit by 1 ,000 is called __ B A prefix that increases a unit by 1 ,000 is called __

1. mega/giga<br />A. A prefix that increases a unit by 1,000,000 is called **mega**.<br />B. A prefix that increases a unit by 1,000,000,000 is called **giga**.<br /><br />2. nano/pico<br />A. A prefix that decreases a unit by 1,000,000,000,000 is called **pico**.<br />B. A prefix that decreases a unit by 1,000,000,000 is called **nano**.<br /><br />3. kilo/milli<br />A. A prefix that decreases a unit by 1,000 is called **milli**.<br />B. A prefix that increases a unit by 1,000 is called **kilo**.