For lesson 4 10^15/10^4= 10^11 because when you are dividing with exponents you have to subtract the bottom exponent with the top one so 15-4=11; 10^15/10^4=10^11
699,00 = 100%
6.99 = 1%
41.94 = 6%
699,00 - 41,94 = 657.06
Answer:god bless you❤️
Step-by-step explanation:
27 = 9^x-1
3^3 = 9^x-1
3^3 = 3^2(x-1)
3 = 2 (x-1)
1.5 = x-1
x = 2.5