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What standard form means

What standard form means

Decimal point movement diagram showing 6.38 moving 3 places right to make 6380 and 2 places left to make 0.0638, with the rule a x 10^n where 1 <= a < 10

Standard form is built from powers of 10. Multiplying by 10n10^n10n moves the decimal point right if nnn is positive and left if nnn is negative.

Standard Form Lesson

  1. IGCSE
  2. /Maths
  3. /Standard Form

Step-by-step lessons on Edexcel IGCSE Maths Standard Form. Each one builds up to exam-style questions. Build confidence with the shared Foundation-tier content first, since roughly 40% of Higher-tier marks are targeted at the grades 4–5 boundary that both tiers have in common.

Lessons