Distance from Sun to Earth is $1.496 \times 10^{11}$ m. In kilometres, this is approximately

Distance from Sun to Earth is $1.496 \times 10^{11}$ m. In kilometres, this is approximately
  1. $1.496 \times 10^{14}$ km
  2. $1.496 \times 10^{8}$ km
  3. $1.496 \times 10^{11}$ km
  4. $1.496 \times 10^{10}$ km

Solution

$1$ km $= 10^{3}$ m, so divide by $10^{3}$: $1.496 \times 10^{11-3} = 1.496 \times 10^{8}$ km.

Asked in: NSO

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