Answer:
5.17 × 10^-1
Explanation:
move the decimal to the right one space.
when you move the decimal to the right its exponent becomes a negative.
The answer is C because you don’t have to worry about the number in front of the decimal unless it is something greater than zero. A- Doesn’t have there sig figs. B- The zero after the 5 doesn’t change it. D- The three at the end doesn’t matter because it does not round it up.
Answer:
What type of reaction is shown below? Check all that apply.
Ca + 2H2O → Ca(OH)2 + H2
synthesis
decomposition
combustion
single replacement
double replacement
Explanation:
Your answer should be:
<span>Extrusive igneous rock</span>