Respuesta :

10•3 is 10+10+10=30, multiplication is adding a number to its self a certain amount of times, so if its 10•3, its adding 10+10+10

Answer:

the answer is 30

Step-by-step explanation:

10 x 1 is 10, if you use multiple 10 x 2 it will be 20, the thing that will help is any number times 10. for example 10 x 5. use the smallest number (5) and add a zero next to it (50)