Answer:
Step-by-step explanation:
The piece of plastic have dinmensions of 1mm by 10mm
Answer:
<em>(n - 5)(n + 5) </em>
Step-by-step explanation:
a² - b² = (a - b)(a + b)
n² - 25 = n² - 5² = <em>(n - 5)(n + 5)</em>
219. If our rounding down
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