Worksheet Worksheet 3
1.
Calculate \((3 \times 10^5) + (6 \times 10^5)\) and \((8 \times 10^{-8}) + (9 \times 10^{-8})\text{.}\) Give your final answer in scientific notation.
2.
Calculate \((4 \times 10^7) + (7 \times 10^8)\) and \((6 \times 10^{-5}) + (9 \times 10^{-4})\text{.}\) Give your final answer in scientific notation.
3.
Calculate \((3 \times 10^4) \cdot (6 \times 10^5)\) and \((5 \times 10^{-8}) \cdot (8 \times 10^{-6})\text{.}\) Give your final answer in scientific notation.
4.
Calculate \((8 \times 10^4) \cdot (4 \times 10^{-6})\) and \((9 \times 10^{-3}) \cdot (2 \times 10^{4})\text{.}\) Give your final answer in scientific notation.