I believe you could say the answer would be 34.651
The last digit could be any number from 1 to 4, since going to 5 would make it 34.66
Answer:
Not sure exactly which equivalent expression you are looking for but my goal would be to write it without the negative exponent.

Step-by-step explanation:
They have the same exponent and it is multiplication.
There is a law of exponent that says
.
So we have
equals
.
Let's simplify (4*7)^(-2).
Since 4*7=28, we can say
.
Some people really hate that negative exponent. All that - in the exponent means is reciprocal. So
.
First you add 10 and 12 dollars to get 22 dollars then subtract the 14 dollars of the pizza to get 7 dollars left. Then add the other 18 given to them and your final answer adds up to 25 dollars in all. :)