Understanding Positive and negative numbers

What is the 9th term of the sequence 2,8,32,128

A vitamin powder weighs 0.0002 pound. The container holding the powder weighs 0.006 pound. What is the total weight of the vitamin powder and container, written in scientific notation? A. 6.2 X 10 ^-3 pound B. 2.6 x 10 ^-3 pound C. 6.

Mario wants to download 12 songs on his dighal music player. He has only 5 minutes to download the songs. If it takes 30 seconds for Mario to download one song, will he have enough time to download all of the songs? Explain.

A boat travels 35 miles in 1 hours (with a constant speed), How much time will it take traveling 357 miles?

What does reasoning mean?

Total of 78 baseball and football cards in a box. ratio of baseball to football cards is 8 to 5. how many baseball cards are in the box?

Mica and joan are on the same softball team. mica got 8 hits out of 48 times at bat, while joan got 12 hits out of 40 times at bat. who do you think is most likely to get a hit get next time at bat? Explain

What is the average of these four dollar amounts to the nearest cent? $400 $323.69 $7,352 $19.99

Choose all the numbers that are part of Integers. A) 1 B) 0 C) - 3 D) 5/6 C) - 23

1. - 8 + (-3) + 6 = ? 2. 1+7-9=? 3. I-15-9I=?