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2 years ago

E 7 cm Find the value of x to 3 significant figures. x 12 cm 8 cm

Mathematics

1 answer:

kvasek [131]2 years ago

3 0

Answer:

12.0 to 3 dig digs You must include the 0 to get 3 significant figures.

Step-by-step explanation:

Comment

This is a Pythagorean Problem. Use the formula

c ^2 = a^2 + b^2

Givens

a = 8 - 7 = 1 cm

b = 12 cm

c = ?

solution

c^2 = 1^2 + 12^2

c^2 = 1 + 144

c^2 = 145 Take the square root of both sides

√c^2 = √145

c = 12.04

c = 12.0 to 3 sig digs.

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