Question: answer and show all work please 2. Express each number in scientific notation. a. 678 b. 1,061 c. 0.000560 d. 0.0000003003 e. 100,000,000 3. Express

answer and show all work please

2. Express each number in scientific notation. a. 678 b. 1,061 c. 0.000560 d. 0.0000003003 e. 100,000,000 3. Express each number in standard form. a. 9.05105 b. 1.0103 c. 6.022102 d. 8.8341012 4. How many significant figures are in each number? a. 1.05 b. 9,500 c. 0.0004505 d. 0.00045050 e. 7.210106 f. 5.00106

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