Write in scientific notation 0.0042
a. 42x10^-2
b. 4.2x10^-4
c. 4.2x10^-3
d. 42x10^-4

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex

With finding limits of multi variable !