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primary 5 | Maths | Whole Numbers
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Jodz cute
Jodz Cute

primary 5 chevron_right Maths chevron_right Whole Numbers chevron_right Singapore

Please help.

Date Posted: 1 week ago
Views: 31

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B) no. of dots= (fig no. +1)^2 + fig no. + 2

No. of dots in Fig 20 = (20+1)^2 + 20+2 = 463
Fig. 20 has 463 dots
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Blob fish
Blob Fish's answer
35 answers (A Helpful Person)
1st
Jodz cute
Jodz Cute
5 days ago
GREAT
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AC Lim
Ac Lim's answer
8149 answers (A Helpful Person)
Hope this helps
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HiderApplecross
Hiderapplecross's answer
802 answers (Tutor Details)
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C) (fig. No + 1)^2 + fig no. +2= 133
Guess and check,

(10+1)^2 + 10+2= 133

Figure 10 has 133 dots
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Blob fish
Blob Fish's answer
35 answers (A Helpful Person)
Jodz cute
Jodz Cute
1 week ago
Thanks for the solution but do Primary 5 uses exponents already?