One, because no matter what, 1 squared, cubed... will ALWAYS be one!
one
31
A Picosecond is 1/1012 one tenth of a second to the 12th power). Which is the next smallest unit of time from the Nanosecond 1/109 (one tenth of a second to the 9th power), and next larger to the Femtosecond 1/1015 (one tenth of a second to the 15th power)
1
63
2a to the second power. If you combine the like terms, (a to the second power + a to the second power), it would be the same as 2a to the second power.
No. One watt is one joule/second.
You have all the right words, but the concept is backwards. Energy is the amount, power is the rate of energy. One watt of power is required to move one joule of energy in one second.
625/10000 :]
.000001
joule
Power is the rate of doing work. For example one watt of power is one joule of work being done each second, and one horsepower is 550 foot pounds of work being done each second.