The <em><u>correct answer</u></em> is:
7.8 × 10⁷
Explanation:
To write a number in scientific notation, we want the decimal behind the first non-zero digit in the number. The first non-zero digit in 78 is 7; this means we want 7.8. In order to have the decimal point behind the 7, we need to move the decimal 7 places. This is the exponent of 10 in our scientific notation, which gives us
7.8 × 10⁷
-13x=78
-13x/-13=78/-13
Answers: X=-6
Answer:
Step-by-step explanation:
we know that
In the right triangle DEF
----> by TOA (opposite side divided by adjacent side)
substitute the given values
solve for EF
Answer:
3(5+x)
Step-by-step explanation:
Another expression that can equal 15+3x is 3(5+x)
<u>Use Distributive Property:</u>
3(5+x)
=15 + 3x.
I wish you the best of luck, and hopefully this is an option on your homework!
Answer:Dave has 74 and Bill has 37
Explanation:111÷3=37×2=<u>74</u>
111-74=<em>37</em>
