Answer :
Answer:
Rules of Multiplication
Rules of Addition
Step-by-step explanation:
multi: Any number times zero is always zero. ...
Any number times one is always the same number. ...
Add a zero onto the original number when multiplying by 10. ...
The order of factors does not affect the product. ...
Products are always positive when multiplying numbers with the same signs.
add; the magnitude of a signed number is the same as its absolute value.