A person standing 1.15 m from a portable speaker hears its sound at an intensity of 6.30 ✕ 10−3 W/m2

Which is the best predictor of the radioactive nature of an isotope? o the proton-to-electron ratio the neutron-to-proton ratio o the neutron-to-electron ratio the electron-to-proton ratio

Find the dimensions and area of the largest rectangle that can be inscribed in the upper half of the ellipse. (give your answers in terms of a and b. enter the dimensions as a comma-separated list.)

What’s #16 asking me and how do i solve it?