3 raise to power -7 ÷ 3 raise to power -10 x 3 raise to power -5
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=3^-7÷3^-10×3^-5
= 1/3^7 ÷ 1/3^10 × 1/3^5
= 1/3^7 × 3^10 × 1/3^5
= 1/3^7+5 × 3^10
= 1/3^12 × 3^10
= 3^10/3^12
= 3^10-12 = 3^-2 = 1/9
Please mark me as brainliest and follow me.
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Answer:
Step-by-step explanation:
=3^-7÷3^-10×3^-5
= 1/3^7 ÷ 1/3^10 × 1/3^5
= 1/3^7 × 3^10 × 1/3^5
= 1/3^7+5 × 3^10
= 1/3^12 × 3^10
= 3^10/3^12
= 3^10-12 = 3^-2 = 1/9
Please mark me as brainliest and follow me.
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