Which of the following could NOT be the measures of the angles of a triangle? A. 30°-120°-30°
B. 40°-40°-100°
C. 60°-60°-60°
D. 70°-50°-70°

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.

What is the approximate value of  x  in the equation below.–3.396–0.7080.3040.955

Rena used the steps below to evaluate the expression , when . step 1: substitute into the expression. step 2: simplify the parentheses. step 3: evaluate the power to a power. step 4: use reciprocals and find the value. in which step did rena make the first error?