Questions in mathematics

Questions in mathematics

📝 Answered - Calculate $\left(2.00 \times 10^{-11}\right)^{-4}$ Write your answer in scientific notation.

📝 Answered - Which expression is equivalent to the one below? [tex]\frac{\left(x^2 y\right)\left(x^4 y^3\right)}{x y^2}[/tex]

📝 Answered - Use the following to answer the next question. We have the following two sets below: [tex] \begin{array}{c} A:\{\beta, \varphi, \pi, \theta, \mu, \kappa, \sigma\} \ B:\{\chi, \pi, \theta, \xi, \beta, \sigma, \lambda, \omega\} \end{array} [/tex] The value of [tex]n(A \cup B)[/tex] is A. 4 B. 7 C. 11 D. 15

📝 Answered - Which is equal to $\sqrt{144}$? 12 122 $\sqrt{12}$ 72

📝 Answered - Given $\log _3 2 \approx 0.631$ and $\log _3 7 \approx 1.771$, what is $\log _3 14$?

📝 Answered - Solve [tex]x^2+5 x-3=0[/tex] using the quadratic formula. A) [tex]x=-\frac{5}{2}+\sqrt{13}, x=-\frac{5}{2}-\sqrt{13}[/tex] B) [tex]x=-\frac{5}{2}+\frac{\sqrt{37}}{2}, x=-\frac{5}{2}-\frac{\sqrt{37}}{2}[/tex] C) [tex]x=-\frac{5}{2}+\frac{\sqrt{13}}{2}, x=-\frac{5}{2}-\frac{\sqrt{13}}{2}[/tex] D) [tex]x=-\frac{5}{2}+\sqrt{37}, x=-\frac{5}{2}-\sqrt{37}[/tex]

📝 Answered - $(32^{-3})^{5^{-1}}$

📝 Answered - What is the value of $6\lceil 4-9.4\rceil $?

📝 Answered - Show all work to multiply $(2+\sqrt{-25})(4-\sqrt{-100})$.

📝 Answered - Divide: $\frac{-2+5 i}{-4-6 i}$. Write your answer in $a+b i$ form