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x=122.472
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x≔122.472
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x=4.2\times 5.4^{2}
Multiply 0.5 and 8.4 to get 4.2.
x=4.2\times 29.16
Calculate 5.4 to the power of 2 and get 29.16.
x=122.472
Multiply 4.2 and 29.16 to get 122.472.
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