An integer is any whole number, including zero. An integer can be either positive or negative. Examples include -77, -1, 0, 55, 119.

To multiply terms with exponents, the base of both exponents must be the same. In this case they are so multiply the coefficients and add the exponents:

-c² x 9c³
(-1 x 9)c^{(2 + 3)}
-9c⁵

To find the average of these 4 numbers add them together then divide by 4:

\( \frac{14 + 10 + 16 + 8}{4} \) = \( \frac{48}{4} \) = 12

To multiply terms with radicals, multiply the coefficients and radicands separately:

9\( \sqrt{4} \) x 7\( \sqrt{4} \)
(9 x 7)\( \sqrt{4 \times 4} \)
63\( \sqrt{16} \)

Now we need to simplify the radical:

63\( \sqrt{16} \)
63\( \sqrt{4^2} \)
(63)(4)
252

If the tiger has consumed 65 pounds of food in 5 days that's \( \frac{65}{5} \) = 13 pounds of food per day. The tiger needs to consume 143 - 65 = 78 more pounds of food to reach 143 pounds total. At 13 pounds of food per day that's \( \frac{78}{13} \) = 6 more days.