(1)a|2m-3n|=(a|m|)|2|÷(a|n|)|3|
∵a|m|=6,a|n|=2∴(a|m|)|2|÷(a|n|)|3|=6|2|÷2|3|=36÷8=9/2
(2)2.8|n|·16|2n|=2.8|n|·(16|2|)|n|=(2.8·256)|n|=716.8|n|
(1)a|2m-3n|=(a|m|)|2|÷(a|n|)|3|
∵a|m|=6,a|n|=2∴(a|m|)|2|÷(a|n|)|3|=6|2|÷2|3|=36÷8=9/2
(2)2.8|n|·16|2n|=2.8|n|·(16|2|)|n|=(2.8·256)|n|=716.8|n|