(8r+3s)(8r-3s) dont have working but noticed that it is the difference of two squares
Answer: No. To the contrary, "12,000,000" is the "standard form" of
"1.2 times 10 to the POSITIVE 7 power.
That is; "12,000,000 = 1.2 * 10⁷ " .
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She spent 25% and had $99 left.
$99 is 75% of the remaining money.
Divide to find the total remaining
99 / 0.75 = $132
Now she put 80% of her total earnings in the bank, this means the remaining amount is 20%.
Divide the remaining amount by 20%:
132 / 0.20 = $660
She earned $660 total.
Answer- (-47)
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