Question

Find the value of m for which 4^m÷4^-3 = 4^5​

Answer 1

Step-by-step explanation:

4^m÷4^-3 = 4^5

m+3=5

.:m=2

hope it is helpful............

Answer 2

${4}^{m} \div {4}^{ - 3} = {4}^{5} \\ {4}^{m + 3} = {4}^{5} \\ m + 3 = 5 \\ m = 5 - 3 \\ m = 2$

Remember:

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