Answer:
Step-by-step explanation:
This is mostly just a calculator problem unless you can multiply 8(8)8(8)8(8)8(8)8(8) in your head :) 8^(10)=1073741824
1073741824
8 * 8 * 8 * 8 * 8 *8 * 8 * 8 * 8 * 8
64 * 8 * 8 * 8 *8 * 8 * 8 * 8 * 8
512 * 8 * 8 *8 * 8 * 8 * 8 * 8
4096 * 8 *8 * 8 * 8 * 8 * 8
32768 *8 * 8 * 8 * 8 * 8
262144 * 8 * 8 * 8 * 8
2097152 * 8 * 8 * 8
16777216 * 8 * 8
134217728 * 8
Answer: 19=5x times 2
Answer:d