6 is c, i'm not entirely sure about 7
Answer:
D : x² + y² = 64
Step-by-step explanation:
x² + y² = 8²
x² + y² = 64
therefore, your answer is 64
Answer:
i believe it is C
Step-by-step explanation:
the power of 10 on left is negative so if you add 2, it will be 0 to power of 10, so it is plus 4 on power or 10. Then with the main number,you subtract 9 from 3 and that is 6. So, 6 times 10 to the power of 4.
