Which expression is not equivalent to the other expressions?

zero point five times four raised to the second power plus ten

two point five times the quantity six minus two raised to the second power, end quantity

two raised to the third power divided by ten plus four point two

the quantity six plus three raised to the second power, end quantity, divided by three

Question

Which expression is not equivalent to the other expressions?

zero point five times four raised to the second power plus ten

two point five times the quantity six minus two raised to the second power, end quantity

two raised to the third power divided by ten plus four point two

the quantity six plus three raised to the second power, end quantity, divided by three

fibonaccichick666 · Answer

can you write them all out in symbols?

anonymous · Answer

$$0.5\times4^{2}+10$$
$$2.5\times(6-2^{2})$$
$$2^{3}\div10+4.2$$
$$(6+3^{2})\div3$$

anonymous · Answer

I don't understand, which expressions are we comparing?

anonymous · Answer

those 4..

anonymous · Answer

Lol but "Which expression is not equivalent to the other expressions?" doesn't make sense to me here.

fibonaccichick666 · Answer

now are you familiar with the order of operations?

fibonaccichick666 · Answer

@assaulth3ro911 which one doesn't give you the same end result?

anonymous · Answer

Is that what they were asking...? Oh darn, now I have to do all the equations. Oh well. (x

fibonaccichick666 · Answer

nah, you only need to do 3 but I have the answer ready for when @twilaswift gets there

anonymous · Answer

0.5×4^2+10 = 18

2.5×(6−2^2) = 5

2^3÷10+4.2 = 5

(6+3^2)÷3 = 5

anonymous · Answer

The answer would be A.

anonymous · Answer

Not unless you show how you got there... of which...... I didn't do, but it was pretty simple to explain, so we explained it just fine I guess. (: