pluralization

PDA’s or PDAs?

Which is correct?
Anything that promises to keep operating costs lower is likely to spur the market for smart phones and _____.
a. PDA’s
b. PDAs

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Do plural dates take an apostrophe?

Which is correct?
The concept of kaizen became better known in the late ______, after the publication of Masaaki’s book, Kaizen: The Key to Japan’s Competitive Success.
a. 1980’s
b. 1980s
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Plural of request for proposal

Which is correct? When you respond to _______________ from multiple companies, you should demonstrate a broad understanding of each organization’s culture. a. request for proposals b. requests for proposal

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Dot i’s and cross t’s?

Which is correct? When it comes to compliance, make sure all your ____________________. a. i’s are dotted and t’s are crossed b. is are dotted and ts are crossed

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Which is correct — OSes or OS’s?

Which is correct? The criteria for choosing among ____ for mobile devices are complicated. a. OS’s b. OSes

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Quiz: Writing for business — BlackBerries or BlackBerrys?

Which is correct? Companies that routinely issue _________ to employees should establish policies limiting device use. a. BlackBerries b. BlackBerrys

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