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GCSE Mathematics

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GCSE Mathematics Problem Solving Number Higher Tier A sequin weighs 2.3 x 10-3 grams. Donna sews 50 000 000 sequins to her new dress. Knowing that the dress ... – PowerPoint PPT presentation

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Title: GCSE Mathematics


1
GCSE Mathematics Problem Solving Number Higher
Tier
2
A sequin weighs 2.3 x 10-3 grams. Donna sews 50
000 000 sequins to her new dress. Knowing that
the dress originally weighed 110g, calculate the
weight of the dress after she has added the
sequins? Give your answer in the standard form.
3
ANSWER
Mass 2.3 x 10-3 Number 5.0 x 107 Weight of
sequins 2.3 x 10-3 x 5.0 x 107 11.5
x 104 1.15 x 105 Weight of the
dress 115000 110 115110 Standard
form 1.1511 x 105 g
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