9/20 because if you count the red and blue out of the 20, theres 9. So you have a 9/20 chance it will hit red or blue.
| n | + 15 <== ur expression
Answer:
the zero exponent indicates that there are no factors of a number. for example simplify each of the following expressions using the zero exponent rule for exponents.write each expression using only positive exponents.
the product of powers property states that when multiplying two exponents with the same base , you can addthe exponents and keep the base