Significant Figures Tell me what's wrong. When adding and subtracting, you line up decimal and look for the least decimal places.
0.87
4.061
+10.4

15.331
My answer is 15 but teacher said I'm wrong

Thank You

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)

Which fact represents evidence for the big bang theory?

The diagram below shows the movement of particles. what does this piece of evidence best support? the collision theory the maxwell-boltzmann distribution the effect of pressure on reaction rates the effect of temperature on reaction rates