
- Evaluate the expression ⇨ (-6) squared.


This will be equal to..

Multiply -6 by itself (squaring a number means to multiply the number by itself twice)

-6 multiplied by-6 will get you 36 as the answer.

Answer:
D
Step-by-step explanation:
Answer:
The answer is 9.2 * 10^7
Step-by-step explanation:
(1.5*10^8)-(5.8*10^7)=92,000,000
92,000,000= 9.2* 10^7
Any quadrilateral has sum of all angles equal 360⁰.
So,
m∠D+78+91+90=360
m∠D=360-(78+91+90)=101⁰
Answer is A.