Hello, noles2188!

Here's the first one . . .

We will find how many numbersUse the principle of inclusion/exclusion to determine how many numbers

between 1 and 1000 are: .a) not divisible by 2, 3, 5, or 7aredivisible by 2, 3, 5, or 7.

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Divisible by 2, 3, 5, or 7: .

Therefore,notdivisible by 2, 3, 5, or 7: .

Anyone care to check my work . . . please?

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