Simplify ( -2/5 power -7)*(-2/5 power 9 )÷ (- 2/5 power 2) ?
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Answer:
answer=1
Step-by-step explanation:
(-2/5)^-7*(-2/5)^9/(-2/5)^2
=(-5/2)^7*(-2/5)^9*(-5/2)^2
=-78,125/128*-512/19,53,125*25/4
=1,00,00,000/1,00,00,000
=1
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