Is 2.1 × 10⁶ a big number or a small number?, It is a big number., It is a small number, Why do we use scientific notation?, Big numbers are easy to read in this form. ✅, Big numbers are hard to read in this fo, What is a significant figure?, It is an important digit in a number., It is a zero at the start of a number., What is the first place after the decimal point?, It is the hundredth., It is the tenth. ✅, What is the second place after the decimal point?, It is the hundredth., It is the thousandth.

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