It's multiplying by 2 each time 10 x 2 = 20, 20 x 2 = 40, 40 x 2 = 80.
Answer:
A
Step-by-step explanation:
Answer:
9.) .784 . 10) 0.29
Step-by-step explanation:
Answer:
100:9
Step-by-step explanation:
If corresponding side lengths are in the ratio 10 : 3, the ratio of their areas will simply be the square (area is 2-dimensional).
Therefore:
10 : 3 ⇒ (10)² : (9)²
100 : 9 is the ratio of the areas.
hope this helps :)