(5x10^14)-1 I need help with

What is 0.00000025 expressed in scientific notation?A. 2.5x10^-8 B. 2.5x10^-7 C. 2.5x10^7 D. 2.5x10^8
1. 1 answer
2. 74 views
4. 5.6 x 10-6 mol of A and 5 x 10-5 mol of B are mixed in a 200 mL flask. The system is represented by the equation:2A + B -->
1. 2 answers
2. asked by Katie
3. 748 views
please could you check the first 2 then explain the method on the other 21)5.2x10^6 + 3x10^5 5200000+300000=5500000 5.5x10^6
1. 3 answers
2. asked by chelsea
3. 687 views
BrO-3 + 5Br- + 6H+ ---> 3Br2 + 3H2O the value of - delta[BrO3]/delta T= 1.5x10^-2M/s at a particular time what is the value of
1. 1 answer
2. asked by drew
3. 1,975 views
what is the expanded form of 357.25?A. (3x100) + (5x10) + (7x1) + (2x1/100) B. (3x100) + (5x10) + (7x1) + (2x1/10) + (5 x
1. 1 answer
2. 77 views
for questions 15 and 16, multiply. write in scientific notation(9x10^4)(8x10^6) 7.2x10^25 1.7x10^11 7.2x10^11 1.7x10^25
1. 3 answers
2. asked by jacob :)
3. 1,644 views
32.0=5.5x10^2(1/T)+14.2Solve for T I am confused about what the first step would be to solving for T. Would I divide
1. 1 answer
2. asked by Maddy
3. 918 views
32.0=5.5x10^2(1/T)+14.2Solve for T I am confused about what the first step would be to solving for T. Would I divide
1. 1 answer
2. asked by Maddy
3. 833 views
Which number is equal to 7(3.5x10^4) written in scientific notation?A.24.5x70^4 B. 2.45x10^5 C.24.5x10^4 D. 1.05x10^5
1. 1 answer
2. asked by DeESnUts
3. 58 views
which number is equal to 7(3.5x10^4) written in scientific notation?A ) 24.5x70^4 B ) 2.45x10^5 C ) 24.5x10^4 D ) 1.05x10^5
1. 1 answer
2. asked by haven
3. 131 views