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OpenStudy (anonymous):
Please answer I will give medal to whoever answers all the question correctly! What is the simplified form of -9m^-2n^5 times 2m^-3n^-6 ^ means exponent. Also a size of a certain cell is 2.5 times 10^-9 another cell is 1.5 times 10^3 times larger then the first. how large is the larger one in scientific notation?
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