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Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.

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Oct 19, 2023 · Multiplication of positive or negative whole numbers or decimal numbers as the multiplicand and multiplier to calculate the product using long multiplication. The solution shows the work for the Standard Algorithm. Long multiplication means you're doing multiplication by …

Free math problem solver answers your algebra homework questions with step-by-step explanations.

Calculation examples Addition: 5 + 3 + 12.5 = 20.5 Subtraction: 12.5 - 5 -3 = 4.5 Multiplication: 5 × 3 = 15 Division: 5 ÷ 3 = 1.66666667 Percentage: 30% × 200 = 60 Percentage change: 200+50% = 300 (short writing) Exponentation: 2^8 = 256 Square root: √64 = 8 Logarithm: log (100) = 2 Natural logarithm: ln (e) = 1 Sine: sin (90) = 1 This site …

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To check that x^ {100} - 1 is divisible by 1000, it will suffice to check that it is divisible by 8 and 125. For each of these, you can use Euler's theorem, which will tell you that x^ {p^ {k-1} (p-1)} \equiv 1 \pmod {p^k} ...

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