The power of 4 means to move the decimal 4 places to the right. 6.3 x 10^4
63000
The answer is (C). All sides and angles of the square is equal. Its diagonals bisect each other and meet at 90°. If two lines are said to meet at 90°, these lines are perpendicular to each other. Therefore, the diagonals of a square is perpendicular to each other

F ∪ H is defined as the set that consists of all elements belonging to either set F or set H (or both).
F ∩ H is defined as the set composed of all elements that belong to both F and H
Answer:
a common denominator would be 21 bc 8 x 3 = 21
Step-by-step explanation: