The answer is A. Hope this helped
An exponential equation can be written from its description using the form
... y = (reference value)·((later value)/(reference value))^((t - (reference time))/(later time - reference time))
Here, we have
... reference value = 220; reference time = 2; later value = 880; later time = 4
so we can write the exponential equation as
... y = 220·(880/220)^((t-2)/(4-2)) = 220·4^(t/2 -1) = 55·2^t
Then for t=10, the expected number is
... y = 55·2^10 = 56,320
The rectangular prism would be 105/4 or 26.25 written as a decimal as the answer
First let us assume all black cards, the numbers that will
result in 24 is:
2 * 12
3 * 8
4 * 6
Similar case with the red cards:
-2 * -12
-3 * -8
-4 * -6
Assuming the product can be negative, so we can also take
the combination of two cards (1 red and 1 black):
2 * -12
3 * -8
4 * -6
-2 * 12
-3 * 8
-4 * 6
<span>So there are a total of 12 combinations.</span>
