Practice with Multiplying, Dividing, and Estimating in Scientific Notation

This example demonstrates how to multiply and divide numbers written in scientific notation, and how to estimate using orders of magnitude to check whether an exact result is reasonable. Key concepts include writing and reading numbers in scientific notation, exponent rules for products and quotients, using magnitude (order-of-magnitude) estimation, and the role of estimation in validating calculations and reducing error. In the construction, the setup relies on multiple text input fields: several Textfield objects (InputBox1–InputBox8 and text5–text8) are used to enter parameters and display intermediate values and final outcomes, enabling a tight “exact computation vs. estimation” workflow. Suitable for middle and high school learners and math practice/teaching contexts focused on arithmetic, exponents, and estimation strategies.