The distance of planet mercury from the sun is approximately 5.8 ⋅ 107 kilometers, and the distance of earth from the sun is 1.5 ⋅ 108 kilometers. about how many more kilometers is the distance of earth from the sun than the distance of mercury from the sun?

4.3 ⋅ 107 kilometers
9.2 ⋅ 107 kilometers
9.2 ⋅ 108 kilometers
5.7 ⋅ 109 kilometers

Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants

Kathy spent 5/8 of her money on books and another 1/6 of her money on stationeries.what fraction of kathy’s money was left?

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b