Answer:
720
Step-by-step explanation:
If order mattered, we would say select the first number (10 choices), then the second (9 choices) then the third (8 choices). So there would be 10 x 9 x 8 = 720 possible choices.
0.75 because 100cm = 1m so you just move the decimal to the right by 2
((b1+b2)÷2)(h)=A
so I think the answer is 3 1/16 or 3.0625
Step-by-step explanation:
