<span>2 x^2 y^6 z^5
5 x^4 y^5 z^3
---------------
10 ^6 ^11 ^8</span>
Answer:
11
Step-by-step explanation:
88 ÷ (11 * 2) ÷ 4
88 ÷ 22 ÷ 4 = 11
7 divided by 2 equals 3 so each friend will get 3 cookies
Answer:
98 cm²
Step-by-step explanation:
The area of a circle is:

A semicircle is half a circle therefore the area of a semicircle would be:

We can plug in the given values into the equation:

We need to round to TWO sigfigs meaning...
Sigfig rules:
Nonzero numbers are significant
Trailing zeros are significant (only if there is a decimal point)
Any sandwiched zero is signification (Ex: 405 --> 3 sigfigs)