What is 3.14 x 13 to the second power

5x + 2 = 12 solve the following equation. then place the correct number in the box provided.

You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)