Find the LCM of 10z^5 and 20z^3

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take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.

exa:

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3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.