Physics, asked by BHUVAKARANUDEEP, 1 year ago

the Length breadth and thickness of a rectangular sheet of metal are 4.234 1.005 and 2.01 respectively the area and volume of c02 can significant figures

Answers

Answered by karthik3398
1
690 690 is the Length breadth and thickness of rectangular sheet of metal
Answered by Anonymous
11

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Length of sheet, l = 4.234 m Breadth of sheet, b = 1.005 m Thickness of sheet, h = 2.01 cm = 0.0201 m

The given table lists the respective significant figures:

QUANTITY. 1) l. 2)b. 3) h

NUMBER. 1)4.234 2)1.005 3)2.01

SIGNIFICANT FIG. 1). 4 2). 4 3). 3

Hence, area and volume both must have least significant figures i.e., 3.

Surface area of the sheet

= 2 (l × b + b × h + h × l)

= 2(4.234 × 1.005 + 1.005 × 0.0201 + 0.0201 × 4.234)

= 2 (4.25517 + 0.02620 + 0.08510)

= 2 × 4.360 = 8.72 m2

Volume of the sheet

= l × b × h = 4.234 × 1.005 × 0.0201

= 0.0855 m3

This number has only 3 significant figures i.e., 8, 5, and 5.

I hope, this will help you

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