There are 10 spaces then the first space will be <span><span>(3,1</span></span>), the second one cannot be the same as the first one so it will have to be (2,1).
So it will come down to <span><span>3×2^9</span></span>
I think a is 20 and b is 40 or a is 12
Answer: D all of the above
Step-by-step explanation:
20 cm^3 : 1280 cm^3 =
ratio of larger figure to smaller figure is : 64 cm^3 : 1 cm^3....or 64:1
Answer:

Step-by-step explanation:
The probability of rolling 2 is 
And rolling another 2 is 
×
= 
Sorry if its wrong