Chip Somodevilla/Getty Images. Washington CNN —. The Department of Education said Wednesday that it has approved the cancellation of nearly $5 billion more in federal student loan debt, bringing Electromagnetic - standard AC mains power (European AC, Tokyo AC), refresh rate of PAL and SECAM CRT televisions: 10 19: 10 EHz: 10 20: 100 EHz: 300 EHz + Electromagnetic - gamma rays: 10 21: 1 zettahertz (ZHz) 36 ZHz: Resonance width of the rho meson: 10 24: 1 yottahertz (YHz) 10 27: 1 ronnahertz (RHz) 10 to the 20th power =. The exponent of the number 10, 20, also called index or power, denotes how many times to multiply the base (10). Thus, we can answer what is 10 to the 20th power as. 10 to the power of 20 = 1020 = 1 0000000000 0000000000. LdiRUNv.

10 to the power of 20