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The length and width of a rectangle are 4.9^9 cm and 5.3^3 cm, respectively. What is the approximate area of the rectangle, using only positive exponents?
A) 5^6cm^2
B) 4^6cm^2
C) 5^12cm^2
D) 4^12cm^2

Respuesta :

choixongdong
approximate 
L = 4.9^9 cm = 5^9 cm
W = 5.3^3 cm = 5^3 cm

Area = L x W
Area = 5^9 x 5^3 = 5^12 cm^2

answer
C) 5^12 cm^2

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