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A package is weighed at kg to the nearest kg.

Find the smallest possible weight for the package.

kg

1

A package is weighed at kg to the nearest kg.

Find the smallest possible weight for the package.

kg

1

A package is weighed at kg to the nearest kg.

Find the largest possible weight for the package.

kg

1

The height of a box is cm to the nearest 10 cm.

Find the error interval for the height of the box.

Use h for the height.

Use h for the height.

3

A runner finishes a race in seconds to the nearest tenth of a second.

Find the error interval for the height of the box.

Use t for the time.

Use t for the time.

3

A rectangle is measured at cm by cm.

Both measurements are to the nearest cm.

Both measurements are to the nearest cm.

Find the maximum perimeter of the rectangle.

cm

2

A rectangle is measured at cm by cm.

Both measurements are to the nearest tenth of a cm.

Both measurements are to the nearest tenth of a cm.

Find the minimum area of the rectangle.

cm^{2}

2

A person walks m to get to the shop from their house, then walks m back towards their house.

Both measurements are to the nearest 10 m.

Both measurements are to the nearest 10 m.

Find the maximum distance the person is from their house.

m

2

A rectangle has a width of cm and an area of cm^{2}.

Both measurements are to the nearest 10.

Both measurements are to the nearest 10.

Find the minimum length of the rectangle.

Leave your answer correct to 4 decimal places.

cm

2