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One surface of a cut gemstone is rectangular in shape. It is 0.0002 m wide and has an area of 0.000006 m2. How long is the surface? Do your work in scientific notation.

pls help me find the answer ik in scientific notation it is 12×10^-2 but is that right??​

Sagot :

fichoh

The length of the surface in scientific form is

[tex]3 \times {10}^{ - 2}[/tex]

Given that :

Width = 0.0002 m

Width = 0.0002 mArea = 0.000006 m²

Length = l

Recall :

Area of rectangle = Length × width

Length = width / Area of rectangle

Length = 0.000006 / 0.0002

Length = 0.03 m

In scientific form ; 0.03 = 3 × 0.01 = 3 × 10^-2

=

[tex]3 \times {10}^{ - 2} [/tex]

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