3 * 1 * -1 because 3 times one is 3 and that times a negative turns it into a negative. ( positive * negative = negative)
Answer:
36
Step-by-step explanation:
If its the khan question 3x4x3
The answer is B because -26/5= -5.2
Actually, you have to find four missed terms of geometrical sequence. Denote
and r - ratio, then
.
Since
, you have that
, then
.
Now substitude r=2 in each of unknown 4 terms:
.
Answer: four geometric means between 25 and 800 are 50, 100, 200, 400.
Answer should be 4
Explanation: 30 divided by 8 = 3.75
3.75 rounded is 4