Bài 100:
1: \(8^4\cdot8^7=8^{4+7}=8^{11}\)
2: \(3^4\cdot3^4=3^{4+4}=3^8\)
3: \(7^5\cdot7=7^{5+1}=7^6\)
4: \(a^3\cdot a^5\cdot a^7=a^{3+5+7}=a^{15}\)
5: \(10^3\cdot10^6\cdot10^9=10^{3+6+9}=10^{18}\)
6: \(2^3\cdot2^2\cdot2^4=2^{3+2+4}=2^9\)
Bài 101:
1: \(5\cdot5\cdot5\cdot7\cdot7\cdot7=5^3\cdot7^3\)
2: \(8\cdot8\cdot8\cdot4\cdot2=8^3\cdot8=8^4\)
3: \(7\cdot7\cdot5\cdot5\cdot5\cdot3\cdot3=7^2\cdot5^3\cdot3^2\)
4: \(3\cdot2\cdot6\cdot6=6\cdot6\cdot6=6^3\)
5: \(8\cdot2\cdot2\cdot2\cdot2\cdot2\cdot2=2^3\cdot2^6=2^9\)
6: \(100\cdot100\cdot10\cdot10=100^2\cdot100=100^3\)
7: \(a\cdot b\cdot a\cdot b\cdot a\cdot a\cdot b=a^4\cdot b^3\)
8: \(x\cdot y\cdot x\cdot x\cdot y\cdot x\cdot y\cdot y=x^4\cdot y^4\)