Question

7square5×7square-4×7square-6 simplify and express as single exponent​

Answer 1

Step-by-step explanation:

${7}^{5} \times {7}^{ - 4} \times {7}^{ - 6}$

Use Muliplication Index Rule

${7}^{(5 )+ ( - 4) + ( - 6)))}$

${7}^{(5 - 4 - 6)}$

${7}^{ - 5}$

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