A qwerty keyboard is a standard keyboard. You may have used one to type your question. A qwerty keyboard has the letters Q W E R T and Y all in a row on the left side of the keyboard, typed by your left hand.
They make computer keyboard trays which are similar to to keyboard stands but they pull out from the desk or cart that the computer sits on. The computer keyboard stand is available but at a cost about $500.
500 m means 500 meters
100 + 300 + 500 + 500 + 600 = 2000. Then divide by 5 to get 400. The mean of these five numbers is 400.
To reset a Casio WK-500 keyboard, turn off the power, then press and hold the "Song" and "Piano" buttons simultaneously while turning the power back on. Continue holding the buttons until the display shows "Initialized" or you see a confirmation message. This process will reset the keyboard to its factory settings, erasing any custom settings or stored data.
If you mean 4/5 of 500 then it is 400
500 Sheets in a Ream
If you mean 3/4 of 500 then it is 375
The mean (average) of 250 and 500 is 375. ((250+500)/2)
500 = D in Roman Numerals
If by 500 you mean 500 cents then : 50 dimes or 100 nickels or 20 quarters. If you mean 500 dollars then: 5,000 dimes or 10,000 nickels or 2,000 quarters.
"D" in Roman Numerals equals 500.
The Indy 500