It is: 103 = 1000
1000 = 1031,000 is the third power of ten, or ten cubed. It's written as 103.
10 to the minus 7 power (10^-7)
All numbers between 1000 and 2000, or anywhere else, can be expressed as a power of another number.
103 = 1000
10 to the power of 3. 103
1987 would be expressed MCMLXXXVIIThink of it as [1000 + (1000 - 100) + (50 + 10 + 10 + 10) + (5 + 1 + 1).
102 = 10 x 10 = 100
1,002
10 to the 3rd power is 1000
10 to the power 3 means 10*10*10, or 1000 10 to the power MINUS 3 means 1 over 10 to the power 3, so 1/1000.
10,000 = 104
10^-6