7 x 3 = 21 so it is 21 ft cm your welcome
Answer: I think standard form is when you you write it in thousands
Step-by-step explanation:
I mean, there is no decimal place, so you can’t determine to the nearest hundredth place.
For the hundreds place, it would round to 100, though.
Answer:
D
Step-by-step explanation:
We will let d represent the amount of dimes Angela has.
Angel has 5 fewer quarters than twice the number of dimes.
Twice the number of dimes will be 2d.
Then, 5 fewer will yield 2d-5.
Therefore, the amount of quarters Angela has is 2d-5.
Then, the total amount of coins (dimes and quarters) together, will be:

The first part is the amount of dimes.
And the second part is, as we determined, the amount of quarters.
Therefore, our answer is D.