Wat does it mea to multilply a 2 digit number and a 1 digit number and then you can multiply the tens mulriply the ones and thenfind the sumof each

What is the product of the radical expression. (7-2square root) (8+2 square root)

The measure of an angle is 117°. what is the measure of a supplementary angle?

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio