Standard form close standard formA number between 1 and 10 multiplied by a power of ten, eg 193 in standard form is written as 1·93 × 10², 0·193 in standard form is written as 1·93 ×10⁻¹. It is used ...

Calculate \((4.5 \times 10^4) + (6.45 \times 10^6)\). Work out \((4 \times 10^9) \times (7 \times 10^{-3})\). Multiply the first numbers \(4 \times 7 = 28\). Apply ...