Evaluate the expression. - 52 - 52 (Type an integer or a fraction. )Use scientific notation to perform the following operation. Write the answer in scientific notation. (8x10-5) - (4x102) (8x10 5) = (4x102) = Ica eriantifie notation Ilea the multiplication sumbal in the math paletteFor the following geometric sequence, find a;. 4 4 4 55 T35 - a7 = D (Type an integer or a simplified fraction.) Find the measures of angles 1, 2, and 3. . . . 460 2 m/1 = m/2 = m23 =You are given the circumference of the circle and the measure of the central angle ACB. Find the length of arc AB. B circumference = 32 feet; mZACB = 90 D C A The length of arc AB is |feet.Assume that the figures shown to the right are similar. Given the lengths of sides and measures of angles in the left figure, what information Is known about the right figure? c 84 The measure of angle The length of side | V| is