Exponents and Powers (G8)
Q: Express 216 400 in standard form correct to 3 significant figures.
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Let original price = P. Then P + 0.15P = 230 => 1.15P = 230 => P = 230 / 1.15 = 200.
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Q: Express 216 400 in standard form correct to 3 significant figures.
Let original price = P. Then P + 0.15P = 230 => 1.15P = 230 => P = 230 / 1.15 = 200.
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