121,000 = 1.21 x 10^(5) '5' is the fifth power.
1.05 x 105 = 105,000
3 to the fifth power is 3 x 3 x 3 x 3 x 3 = 243.
The fifth multiple of 10 would be 50.1 x 10 = 102 x 10 = 203 x 10 = 304 x 10 = 405 x 10 = 50
The fifth multiple of 10 would be 50.1 x 10 = 102 x 10 = 203 x 10 = 304 x 10 = 405 x 10 = 5050
471 ===
490,000
7.9 x 10^6
10 to the fifth power, or 1.0 x 10 to the sixth power.
7.05 x 10 to the fifth power Work: 7.05 x 10 x 10 x 10 x 10 x 10
4.0005 x 10^5
121,000 = 1.21 x 10^(5) '5' is the fifth power.
1.05 x 105 = 105,000
9.79 x 10^5 = 979,000
8643 = 864 x 864 x 864 = 644972544
10 to the seventh power - or 10,000,000. When multiplying numbers with exponents - you add the exponents together.
8.6 x 10^5 = 8.6 x 10 x 10 x 10 x 10 x 10 = 8.6 x 100000 = 860000