Which number is equivalent to 0.0000001? is it 10 to the 7 power or is it 10 to the --7 power? how do you know?

5/6+7/8what is the answer sealsdbdbshd

To prove that angle def = angle dgf by sas, what additional information is needed? def congruent to dgf dfe congruent to dfg de congruent to dg dg congruent to gf

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.