Decimals, SM-Bank 082

Use the order of operations to evaluate:

\(2.389 + 4.12\times 20-5.604\) (2 marks)

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\(79.185\)

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\(2.389 + 4.12\times 20-5.604\)	\(=2.389 + 4.12\times 10\times 2-5.604\)
	\(=2.389 + 41.2\times 2-5.604\)
	\(=2.389 + 82.4-5.604\)
	\(=84.789-5.604\)
	\(=79.185\)