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OpenStudy (anonymous):
what is the LCM of 9&15?
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OpenStudy (jamesj):
Notice that \( 9 = 3^2 \) and \( 15 = 3^1 \times 5^1 \) hence the LCM is \[ 3^2 \times 5^1 = 45 \]
OpenStudy (anonymous):
thank you.. we are studying for a test. my son has not been doing so well in math and i wanted to double check him. its been a long time since ive done this..
OpenStudy (jamesj):
sure
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