2(2 1/2 + 1 3/4) =
2(5/2 + 7/4) =
2(10/4 + 7/4) =
2(17/4) =
34/4 =
8 1/2 cups in total are needed <==
She read 3 hours and 15 minutes.
Hope this helps!
Answer:
The answer is D.
Step-by-step explanation:
The answer is D because the total number of people who chose flight was 37. Researchers said they surveyed, 100 people in total so 37 out of those 100 people choose flight, hence the answer being D.
Q1. The answer is <span>1 over 5 to the 3rd power.
</span>5 to the 5th is 5⁵
5 to the 8th is 5⁸
5 to the 5th over 5 to the 8th is
To simplify, we will use two rules:
Therefore:
is the same as 1 over 5 to the 3rd power.
Q2. The answer is <span>(53)−4.
The exponents are multiplied when are expressed in the form:
</span>
So,
Other choices are incorrect:
<span>one third to the 4th times one third to the 7th is </span>
3 to the 7th over 3 to the 15th is
<span>45 ⋅ 42 is </span>