Question

2.3^-2 x 3^-5 is equal to:
O (a) 3^-3
O (b) 3^-7
O (c) 3^-10
O (d) 3^7​

Answer 1

Answer:

${3}^{ - 2} \times {3}^{ - 5} = 3 {}^{ - 7}$

As,

${x}^{a} + {x}^{b} = {x}^{a + b}$

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