1) \(10^3\ \times \ 10^7 = \)\( \ \color{red}{10^{3 \ + \ 7}} \)\( \ \color{red}{= 10^{10}}\)
2) \(9x^3 \ \times \ x^4 \ \times \ x = \)\( \ \color{red}{9x^{3 \ + \ 4 \ + \ 1}} \)\( \ \color{red}{= 9^{8}}\)
3) \(2x^7 \ \times \ x^5 \ \times \ x = \)\( \ \color{red}{2x^{7 \ + \ 5 \ + \ 1}} \)\( \ \color{red}{= 2^{13}}\)
4) \(6x^7 \ \times \ 4yx^4 = \)\( \ \color{red}{(6 \ \times \ 4)yx^{(7 + 4)}} \)\( \ \color{red}{= 24yx^{11}}\)
5) \(7^4\ \times \ 7 = \)\( \ \color{red}{7^{4 \ + \ 1}} \)\( \ \color{red}{= 7^{5}}\)
6) \( (6x^2)^{2} = \)\( \ \color{red}{(6^2)x^{(2 \times 2)}} \)\( \ \color{red}{= 36x^{4}}\)
7) \(8^3\ \times \ 8 = \)\( \ \color{red}{8^{3 \ + \ 1}} \)\( \ \color{red}{= 8^{4}}\)
8) \(7x^5 \ \times \ 4yx^7 = \)\( \ \color{red}{(7 \ \times \ 4)yx^{(5 + 7)}} \)\( \ \color{red}{= 28yx^{12}}\)
9) \(8y^7x^2 \ \times \ 3y^4x^3 = \)\( \ \color{red}{(8 \times 3)y^{(7 + 4)}x^{(2 + 3)}} \)\( \ \color{red}{= 24y^{11}x^{5}}\)
10) \(10x^8 \ \times \ x^4 \ \times \ x = \)\( \ \color{red}{10x^{8 \ + \ 4 \ + \ 1}} \)\( \ \color{red}{= 10^{13}}\)