Answer:
Step-by-step explanation:
The surface area of a sphere (which the earth is considered to be) = 4 pi r^2
pi = 3.14
r = 6340
Area = 4 * 3.14 * 6340 * 6340 = 504856736 square km.
You should either round this to 505,000,000 or express a value in scientific notation.
5.05 * 10^8
Answer:
31 nickels and 29 dimes
Step-by-step explanation:
I believe it is C. The quadratic function.
Answer:
Any expression doesn't have the same value
Step-by-step explanation:
<h3>1. 23-82</h3>
Subtract 82 from 23.
−59
<h3>2. 23 - (8 x 2)</h3>
Simplify each term.
Multiply 8 by 2.
23−1⋅16
Multiply −1 by 16.
23−16
Subtract 16 from 23.
7
<h3>3. (23 -8) x 2</h3>
Subtract 8 from 23.
15⋅2
Multiply 15 by 2.
30
<h2>Hope it is helpful.....</h2>
