Edexcel Gcse Mathematics (Linear) 1ma0 - Standard Form Page 8
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1
2
3
4
5
6
7
8x
y
2
15.
p
=
xy
9
x = 8.5 × 10
8
y = 4 × 10
Find the value of p.
Give your answer in standard form correct to 2 significant figures.
..............................................
(4 marks)
_________________________________________________________________________________
ab
y 2 =
16.
a
b
a = 3 × 10 8
b = 2 × 10 7
Find y.
Give your answer in standard form correct to 2 significant figures.
y = ...................................
(4 marks)
______________________________________________________________________________
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