Posted by **Sara** on Monday, January 9, 2012 at 6:17pm.

write the expression as a sum or difference of logarithms. express powers as factors show all work

log4 sqrt pq/7

- precalculus -
**Steve**, Tuesday, January 10, 2012 at 12:27am
log sqrt(pq/7)

= log (pq/7)^(1/2)

= 1/2 log(pq/7)

= 1/2 (log p + log q - log 7)

The base doesn't matter. This is just dealing with the properties of logs.

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As the animals left the ark, Noah told them to go forth and multiply. After some while, Noah happened upon two snakes sunning themselves. "Why aren't you multiplying?" Noah asked. The snakes replied, "We can't, we're adders."

So Noah sent the snakes into the forest and told them to try again. Soon he returned and saw many little snakes crawling about. He inquired how it was possible, and they snakes replied, "We found we could multiply if we used logs."

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