PDF chapter test TRY NOW

Simplify using law of exponents.
 
1. \(3^5 \times 3^8 =\)
 
2. \(a^4 \times a^{10} =\)
 
3. \(7^x \times 7^2 =\)
 
4. \(2^5 \div 2^3 =\)
 
5. \(18^{8} \div 18^{4} =\)
Answer variants:
\(3^{13}\)
\(2^8\)
\(2^2\)
\(18^{12}\)
\(7^{2x}\)
\(3^{40}\)
\(a^{40}\)
\(18^4\)
\(7{x + 2}\)
\(a^{14}\)