Answer:
Its most likely answer number 2
Answer:
It helps the answer look clean. It also makes the work easier to work with.
Explanation:
Instead of writing a lot of zeros, all you have to do is add exponents to the number to show how much the decimal moved.
Answer:
voltage ÷ resistance; therefore
20 ÷ 4 = 5 amps
Its pretty expensive and can't be replaced immediately and some source like nuclear energy produces nuclear waste which produce radioisotope that is harmful for all living beings
<span>A) electromagnetic force </span>