Grade 5ChallengePowers of Ten
Powers of Ten · Challenge problem
A grain of sand is 0.5 mm wide. If grains are laid in a straight line, touching, how many metres long is the line? (1 m = 1000 mm.)
A grain of sand is 0.5 mm wide. If grains are laid in a straight line, touching, how many metres long is the line? (1 m = 1000 mm.)