Evaluate 2.5^-2.4*140-250

Math
2.5-2.4⋅140-250
Simplify each term.
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Rewrite the expression using the negative exponent rule b-n=1bn.
12.52.4⋅140-250
Raise 2.5 to the power of 2.4.
19.01687441⋅140-250
Cancel the common factor of 140.
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Factor 140 out of 9.01687441.
1140(0.06440624)⋅140-250
Cancel the common factor.
1140⋅0.06440624⋅140-250
Rewrite the expression.
10.06440624-250
10.06440624-250
Divide 1 by 0.06440624.
15.52644448-250
15.52644448-250
Subtract 250 from 15.52644448.
-234.47355551
Evaluate 2.5^-2.4*140-250

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