D.) Nanometer is the smallest among your options.
It is equal to 10^-9
Hope this helps!
Answer:
2
Step-by-step explanation:
Step-by-step explanation:
Given the expression:

Follow BODMAS rule.
always evaluate brackets first, followed by multiply or division then addition or subtraction from LEFT to RIGHT.

Answer: take 20% off
Step-by-step explanation:
the first one is correct because you would be getting 20% off of any purchase.