1) 10^(7+5) = 10^12 = 1,000,000,000,0002) 10^(8-3) = 10^5 = 100,0003) 10^(-6 + -6) = 10^(-12) = 0.0000000000014) 10^(8 - -3) = 10^11 = 100,000,000,000
1) 10^(7+5) = 10^12 = 1,000,000,000,000
2) 10^(8-3) = 10^5 = 100,000
3) 10^(-6 + -6) = 10^(-12) = 0.000000000001
4) 10^(8 - -3) = 10^11 = 100,000,000,000