Ramirez Gross

02/29/2024 · Primary School

Level 5-6 Questions (Revised with Negative Powers of 10): 1. Find the sum \( \left(5 \times 10^{7}\right)+\left(3.2 \times 10^{6}\right) \) in standard form. 2. Subtract \( \left(1.2 \times 10^{4}\right)-\left(5 \times 10^{3}\right) \) and express in scientific notation 3. Add \( \left(8.1 \times 10^{-2}\right)+\left(4.9 \times 10^{-3}\right) \) and express in scientific notatio 4. Find the difference \( \left(3.6 \times 10^{-4}\right)-\left(2.1 \times 10^{-5}\right) \) in standard form. 5. Multiply \( \left(2 \times 10^{8}\right) \cdot\left(5.5 \times 10^{-3}\right) \) and express in scientific notation. 6. Divide \( \left(6.4 \times 10^{9}\right) \div\left(8 \times 10^{-4}\right) \) in scientific notation. 7. Add \( \left(7.2 \times 10^{8}\right)+\left(3 \times 10^{-2}\right) \) in scientific notation. 8. Subtract \( \left(9.8 \times 10^{7}\right)-\left(2.3 \times 10^{-3}\right) \) and write in standard form. 9. Multiply \( \left(3.5 \times 10^{-5}\right) \cdot\left(2 \times 10^{3}\right) \) in scientific notation. 10. Divide \( \left(5.6 \times 10^{9}\right) \div\left(4 \times 10^{-3}\right) \) in scientific notation.