A number is written in scientific notation when a number between 1 and 10 is multiplied by a power of 10. For example, 650,000,000 can be written in scientific notation as 6.5 ✕ 10^8.

How do you do scientific notation on a TI 84 Plus?

Press [MODE] and use the arrow keys to choose Sci (short for Scientific mode) and press [ENTER]. You can rest assured that all your answers will be displayed in scientific notation.

How do you do scientific notation multiplication?

To multiply numbers in scientific notation, first multiply the numbers that are not powers of 10 (the a in a×10n a × 10 n ). Then multiply the powers of ten by adding the exponents. This will produce a new number times a different power of 10 .