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6. Perform the mathematical operations and then write the final answer rounded to the correct number of needed significant figures. You must use the exact number of sig figs or decimals to earn credit.
Remember the following math rules when using significant figures:
• When adding or subtracting your final answer should have the same number of decimal places as the LEAST number of decimals given in the original numbers
• When multiplying or dividing your final answer should have the same number of sig figs as the LEAST number of sig figs given in the original numbers.

A) 200.0 + 20 =

B) 405 x 30 =

C) 0.8020/0.70=

D) 740.0-70.1234 =


E) 824.6+3.2+1.21 =



Answer :

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