^ means "to the power of" F ^ 2 + 4 = 5 ^ 2 F ^2 +4 = 25 F ^2+4 -4 = 25 -4 F^2 = 21 F = (square root of 21)
21 to the 2nd power is 441.
12 to the second power is 144...2 to the second power is 4, any # to the second power is the # times itself.
2121 = 5.842587018*1027
The exponent is 2 - from the SECOND power.
^ means "to the power of" F ^ 2 + 4 = 5 ^ 2 F ^2 +4 = 25 F ^2+4 -4 = 25 -4 F^2 = 21 F = (square root of 21)
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.
2-21 power = -19
21 to the 2nd power is 441.
12 to the second power is 144...2 to the second power is 4, any # to the second power is the # times itself.
27
8x to the second power is 64x2
what is 7x to the third power + 6x to the second - 2
2121 = 5.842587018*1027
36y to the second power
The exponent is 2 - from the SECOND power.
18 to the second power is 324. 18 to the second power can also be expressed as 18 squared.