Scientific‑Notation Operations (“Sci‑Notation & Powers”)

Term

Definition

Rule – Multiply numbers

Multiply coefficients; add exponents

Rule – Divide numbers

Divide coefficients; subtract exponents

Rule – (a×10^m)^n

Raise coefficient to n; multiply exponents

0.00057 in sci‑notation

5.7×10^-4

4.2×10^3 × 3×10^-2

1.26×10^2

6.0×10^5 ÷ 2×10^2

3.0×10^3

(2×10^4)^2

4×10^8

1.25×10^-3 × 2.0×10^-2

2.5×10^-5

Convert 7.91×10^‑1 to decimal

0.791