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OpenStudy (anonymous):
How can you add eight 8's to get the number 1,000? (only use addition)
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OpenStudy (anonymous):
use base 4
OpenStudy (anonymous):
888+88+8+8+8
OpenStudy (anonymous):
8+8+8+8+8+8+8+8 = 64 = 4^3*1+4^2*0+4^1*0+4^0*0 \[1000_4 = 64_{10}\]
OpenStudy (anonymous):
use base 4
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