Question: Need help with the last two questions. I can't solve it with using Scientific Notation or Standard Notation. Also I need to be sure it's

Need help with the last two questions. I can't solve it with using Scientific Notation or Standard Notation. Also I need to be sure it's three significant digits that are included.

Perform the following calculations and report your answer with three significant digits. 101,455,348 + 1,111,419 = 91.3 0.000000612 x 0.00031119 = 1.91 297,060 + 0.0004839 = 6

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