Answer:
0.0000000692
Step-by-step explanation:
The number
is written in scientific notation. To convert to standard notation adjust the decimal point to adjust the number according to the exponent. Since the exponent is -8 then the decimal point moves to the left 8 place values.

I don’t see any images but any angle measured less than 90 degrees is an acute angle
Answer:
r=1.43147648, −4.19147648
Step-by-step explanation: