Question

$2^{1000}-2^{999}=$

• A. $$2^9$$
• B. $$2^{11}$$
• C. $$2^{111}$$
• D. $$2^{999}$$

Answer 1

Answer:

$$2^{999}$$

$2^{1000}-2^{999}$

$2^1\times2^{999}-2^{999};x^{m+n}=x^m\times{x^n}$

$2^{999}(2-1)=2^{999}\times1=2^{999}$