Short answer: 3240 handshakes.
Remark
If you watch hockey, you've actually seen this happen. After the game, the winning team will stay on the ice usually on center ice. As you look at them, the man on your right will go down the line and rough up or shake hands or say something to each of his teammates on the line. Then he goes into the dressing room. So he has talked to n - 1 people. The next person going down the line will talk to n - 2 people. and so on all the way down the line.
Formula
Sum = (n + 1)*n/2 is what the formula is.
Givens
n = 80
Sub and Solve
Sum = (80 + 1)*80 / 2
Sum = 81 * 40
Sum = 3240 handshakes.<<<<< Answer
Answer:
a quantity representing the power to which a given number or expression is to be raised, usually expressed as a raised symbol beside the number or expression
Step-by-step explanation:
A tip would be to watch a video on exponents and pemdas, they can be really helpful!
Hope this helps!
<span>
The third answer is right. Scientific notation is always expressed with
one digit before the decimal and is multiplied by the power of ten to
compensate for the offset.
Also when writing without access to superscript use either of these methods to express the exponent.
6.000370 x 10^6
6.000370 E6 </span>
Answer:
106.8
Step-by-step explanation:
126.16÷106.8
thank you
Answer:
this makes no sense can u simplify it in the comments and i'll answer there pls
