Answer:
The answer is "The threat to internal validity is mortality".
Step-by-step explanation:
It signifies that while in terms of your study, persons were "morning." It usually signifies when people leave the studies. There will be only likely if indeed the experiment lasts a long period that it'll be a substantial danger to validity and reliability because the chance for drops increases. Eight content validity risks are history, maturity, instrument, test, choice, average regress, human engagement, and mortality.
7.8 * 10^5=since the exponent is positive 5. Then the 7.8 you move the decimal 5 places to the right to be
780000
Infinity raised to any number greater than 1 is always equal to infinity. But if infinity is raised to 0, then the result is indeterminate. Normally, if any number is raised to 0 is 1 but it is different for infinity.
Answer:
18
Step-by-step explanation:
-2 x^2y
Let x=-3 and y = -1
-2 (-3)^2 (-1)
-2 (9) (-1)
18