The rule for multiplying and dividing is very similar to the rule for adding and subtracting. a) We have \({+5}\) and \({-4}\). The signs are different, so the answer ...

What are positive and negative numbers? Any number above zero is a positive number and any number below zero is a negative number. Learn about positive and negative numbers and number lines. How to ...

Learn how to simplify expressions using the product rule and the negative exponent rule of exponents. The product rule of ...