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Perplex
Perplex
  • Dashboard
Topics
Exponents & LogarithmsRounding & ErrorSequences & SeriesFinancial Mathematics
Cartesian plane & linesFunction TheoryModelling
2D & 3D GeometryVoronoi Diagrams
ProbabilityDescriptive StatisticsBivariate StatisticsDistributions & Random VariablesInference & Hypotheses
DifferentiationIntegration
Calculator Skills
Review VideosFormula BookletAll Study Sets
BlogLanding Page
Sign UpLogin
Perplex
IB Math AISL
/
2D & 3D Geometry
/
Problem Bank
IB Math AISL
/
2D & 3D Geometry
/
Problem Bank

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[Maximum mark: 4]

A spherical white blood cell appears as a circle with circumference ​6π×10−5m.

  1. Write down the radius of the cell.

    [1]
    Part (a):
    r=m
  2. Find the volume of the cell, giving your answer in the form ​π(a×10k)m3, where ​a<10​ and ​k∈Z.

    [3]
[Maximum mark: 4]

A spherical white blood cell appears as a circle with circumference ​6π×10−5m.

  1. Write down the radius of the cell.

    [1]
    Part (a):
    r=m
  2. Find the volume of the cell, giving your answer in the form ​π(a×10k)m3, where ​a<10​ and ​k∈Z.

    [3]