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Which expression could be a calculator’s display for the number 0.0000000064? A. 6.4e9 B. 0.64e8 C. 64e−10 D. 6.4e−9

User Angelmedia
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0.0000000064 = 6.4 x 10^-9

answer is D. 6.4e−9
User Alekos Dordas
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