DONT SCAM ME WILL GIVE BRAILIST The dot plots below show the test scores of seventh- and eighth-grade students:

Dot plot for Grade 7 shows 6 dots on score 50, 4 dots on score 60, 6 dots on score 70, and 4 dots on score 80. Dot plot for Grade 8 shows 7 dots on score 60, 4 dots on score 70, 4 dots on score 80, 3 dots on score 90, and 2 dots on score 100.

Based on visual inspection of the dot plots, which grade, if any, appears to have the higher mean score?

Grade 7
Grade 8
Both groups show about the same mean score.
No conclusion about mean score can be made from the data.

I think its grade 8

On the way home from visiting his family, vincent’s plane cruised at an altitude of 3.2 × 10^4 feet. he had heard that a man named felix baumgartner skydived from an altitude of 1.28 × 10^5 feet. vincent wants to know how much higher felix went on his skydiving trip. question 1 you have already seen how adding numbers works in either scientific notation or standard notation. but can you subtract numbers in scientific notation and get the same results as subtracting in standard notation? to find out, first solve vincent’s problem in standard notation. part a write the cruising altitude of vincent’s plane in standard notation.