Answer:
25,000,000x
Step-by-step explanation:
10^6=1,000,000
25*1,000,000x
Mulitipli the numbers: 25 * 1,000,000 = 25,000,000x
Answer:
8
Step-by-step explanation:
<span>calcium hydride + water → calcium hydroxide + hydrogen</span>
Answer:
D.

Step-by-step explanation:






I used -25 as an example:
Answer:
= -2.5 × 101
(scientific notation)
= -2.5e1
(scientific e notation)
= -25 × 100
(engineering notation)
(one)
= -25
<span>(real number)
</span>Scientific notation<span> is used to </span>express<span> very large or very small </span>numbers<span>. A </span>number in scientific notation<span> is written as the product of a </span>number<span> (integer or decimal) and a power of 10. The </span>number<span> has one digit to the left of the decimal point. The power of ten indicates how many places the decimal point was moved.</span>