Question

1) 3 power 7 divided by 3 power 9 = 3 power ?​

Answer 1

Answer:

3^-3

Step-by-step explanation:

3^7/3^9

should subtract the powers when divide

3^7-9

3^-2

Answer 2

Step-by-step explanation:

${3}^{7} \div {3}^{9}$

$( {a}^{m} \div {a}^{n} = {a}^{m - n} )$

${3}^{7 - 9 } = {3}^{ - 2}$

$answer \: is \: {3}^{ - 2}$