Question

Use the laws of exponents and simplify the following ? ( i) 3 power -7 ÷ 3 power -4 ​

Answer 1

Answer:

3 power -3

3 power -7/ 3 power -4

3 power -7 × 3 power 4. (on changing the numerator and denominator the sign of the

power changes)

so,, 3power -3 ( on multiplying the same base with different powers.. power are simply added (as here -7 +4 = -3 )