Question Type 3: Computation with numbers in standard form Exercises

Calculate $1.2 \times 10^{-3} \div (3.0 \times 10^2)$ and express your answer in standard form.

Calculate $\displaystyle\frac{5.5 \times 10^4 + 3.2 \times 10^4}{8.7 \times 10^2}$ and express your answer in standard form.

Calculate $\displaystyle\frac{4.5 \times 10^8 + 2.5 \times 10^7}{2 \times 10^2}$ and express your answer in standard form.

Evaluate $(4 \times 10^3 - 2 \times 10^3) \times 6 \times 10^8$ and express your answer in standard form.

Calculate $6 \times 10^9 \div (3 \times 10^3)$ and express your answer in standard form.

Evaluate $(2.5 \times 10^6 - 7.8 \times 10^5) \times 3.2 \times 10^2$ and give your answer in standard form.

Evaluate $(6.0 \times 10^5 - 2.0 \times 10^5) \div (2.0 \times 10^2) \times (5.0 \times 10^3)$ and give your answer in standard form.

Find the product $(6.0 \times 10^{-4}) \times (3.5 \times 10^{-2}) \times (2.0 \times 10^3)$ and express your answer in standard form.

Calculate $3 \times 10^4 + 5 \times 10^4$ and express your answer in standard form.

Find the product $(4 \times 10^3) \times (2 \times 10^5)$ and express it in standard form.

Compute $7 \times 10^6 - 2 \times 10^6$ and give your answer in standard form. [2 marks]

Find the product $9.3 \times 10^{-2} \times 4.0 \times 10^3$ and give your answer in standard form.