. Ron made a scale drawing of a rectangular room in his house. He used the scale .25 inch represents 1 foot to make the drawing. The room's actual length measures 12.8 feet. What is the length of the room on the scale drawing in inches?

12.8 in.

3.2 in.

51.2 in.

6.4 in.

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year. how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.

How does reflecting or rotating a figure change the interior angles of the figure?

Sanderson is having trouble with his assignment. his shown work is as follows: − 3 7 7 3 = − 3 7 × 7 3 = − 21 21 = −1 however, his answer does not match the answer that his teacher gives him. complete the description of sanderson's mistake. find the correct answer.