The temperature at the core of the Sun is estimated to be more than 15,000,000 degrees Celsius. What is 15,000,000 written in scientific notation. A. 1.5 x 10^5
B. 1.5 x 10^6
C. 1.5 x 10^7
D. 1.5 x 10^8

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.