Olivia ties 2.5 feet of ribbon onto one balloon. how many yards of ribbon does olivia need for 18 balloons

15 yards of ribbon does olivia need for 18 balloons

Step-by-step explanation:

Unit rate defined as the rates are expressed  as a quantity 1 such as 4 meter per seconds  or 5 miles per hours.

As pert the statement:

Olivia ties 2.5 feet of ribbon onto one balloon.

⇒ ft ribbon

Use conversion:

1 feet = 1/3 yard

then;

2.5 ft = 0.833333333 yard

⇒ yard ribbon

We have top find how many yards of ribbon does olivia need for 18 balloons

Substitute the given values we have;

yards

Therefore, 15 yards of ribbon does olivia need for 18 balloons

the answer is b i just did that

step-by-step explanation:

explanation:

infrared radiation has wavelength in the range between 700 nm and 1 mm. lets' convert these values into scientific notation, keeping in mind that:

let's start from the lower value, we have:

(we moved the dot two places to the left, so we increased the exponent by 2 units, from -9 to -7)

the higher value is:

so, the range of wavelength of infrared radiation is: