(28 ⋅ 5−5 ⋅ 190)−2 ⋅ ⋅ 228 (5 points)

write your answer in simplified form.

Hello!

Let's follow the BEDMAS rule.

First we should do everything inside the brackets. According to BEDMAS we should do multiplication first before subtraction:

(28 × 5 - 5 × 190) 

28 × 5 = 140
5 × 190 = 950

(140 - 950) = -810 

So now we have: 

(-810 - 2 × 5^-2) / 2^3 

Next, we do exponents so: 

5^-2 = 1/25 
2^3 = 8 

(-810 - 2 × 1/25) / 8

(-810 - 2/25) / 8

(-20252/25) / 8 = -5063/50

So now we have:

(-5063/50)^4 × 288

If we plug the first term into a calculator and out it to the party of 4, we get:

105136058.7 

So that number times 288 we get:

3.03x10^10 as the Correct Answer

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It is 6% because if you subtract 69-58=6 so 6% is the answer to your question.