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Simplify ( -2/5 power -7)*(-2/5 power 9 )÷ (- 2/5 power 2) ?​

By Ruby

Simplify ( -2/5 power -7)*(-2/5 power 9 )÷ (- 2/5 power 2) ?​

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Ruby

Complete the following flow chart to draw the tangents to the circle at points A and B.
With centre P, draw a circle of radiu

(a) 20 hours
22 HOUIS
A’ and ‘B’ can dig a canal in 30 days. They worked for 10 days and then ‘B’ left. It took 20 more

1 thought on “Simplify ( -2/5 power -7)*(-2/5 power 9 )÷ (- 2/5 power 2) ?​”

  1. 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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