0.738×0.28 is 0.20664 but is rounded to 0.21. which rule or rules are applied to this calculation? select all that apply.
1 answer:
The rules of the calculation are:
- Round the result to the same number of significant figures as the value with the least number of significant figures
- Round up if the digit to be dropped is 5 or greater.
The complete question is added as an attachment
The equation is given as:
0.738 × 0.28 = 0.20664
When approximated, we have:
0.738 × 0.28 ≈ 0.21
The above approximation can mean any of the following:
- To 2 decimal places
- To the nearest hundredth
- To 2 significant digits
Read more about approximation at:
#SPJ12
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Step-by-step explanation:
Cubes have square faces, so the area of the base is b².
The volume of the cube is b³.
The height of each pyramid is half the height of the cube, so h = b/2. Which means b = 2h.
The cube is made of 6 square pyramids with the same base and height. Therefore, each pyramid has 1/6 the volume of the cube. So the volume of each pyramid is b³/6.
