Answer: The simplified form is 
Step-by-step explanation:
Since we have given that

As we know the "Exponential law":

So, it becomes

Now, at last it becomes,

Hence, the simplified form is 
10 x 7 = 70
1 x 7 = 7
9 x 7 = 70 - 7
9 x 7 = 63
Answer:
we divide 192 by the volume 19.5
192÷19.5=9.85 so the necklace is made of bronze
Answer:
Can you be more specific
Step-by-step explanation: