# Can enzymes be used more than once why or why not?

Yes they can, this is because they area biological catalyst so the speed a reaction up without being used themselves. Hope this Helps Cat

# Are the bonus digital copies that come with your DVD set used only once?

no you can watch them over and over like a normal DVD

# Can you use a parachute more than once?

Yes and no. Yes because you can fold it back up into its sack. But some kinds of parachutes can not be folded back into its sack. For example a normal nylon parachute can. But… a space parachute cant.

# What is a resource that can be used more than once?

Beans can be consumed for energy and then, once digested, the resulting flatulence can be burnt to generate energy.

# What resource can be used more than once?

A renewable resource.

# How many ways are there to write a 3-digit positive integer using digits 1 3 5 7 and 9 if no digit is used more than once?

There are 5 digits, and if none can be repeated then the first digit can be chosen in 5 ways, the second can be chosen in 4 ways and the third in 3. 5 x 4 x 3 = 60.

# How many possible 4 digit combinations are possible without using the same number more than once?

5,040 Assuming that the combination uses ALL single digits from 0 to 9, then for the first digit you will be able to use all 10 numbers, for the second digit you will be able …to use 9, for the third digit 8 and for the last digit 7, giving a total number of combinations of 10 x 9 x 8 x 7 = 5,040 without the same number being used more than once in each combination.

Answered

# Can you use Epipens more than once?

An Epi-pen is a single use instrument. After use, it should be discarded in an appropriate container. If you continue to have the symptoms that made you use the Epi-pen in… the first place, you may give yourself another dose of the Epi-pen, provided you have another one in your possession. Once you use your Epi-pen, you should call for EMS and be transported to the hospital for evaluation of your condition and observation to ensure you do not have recurrence of your allergic reaction.

Answered

In NASA

# Can spacecrafts be used more than once?

Certain ones are designed for repeated use. The SPACE SHUTTLE was one example of such.

Answered

In Algebra

# How many 4 digit numbers can be formed by the digits 1 2 3 4 using the digits more than once in each number example 1112 1122?

256

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In Algebra

# How many different 3 digit identification cards can be made is the digits can be used more than once. if the first digit must be a 5 and repetitions are not permitted?

All the numbers from 500 to 599 EXCEPT 500, 511, 522, 533, 544, 550 - 559, 566, 577, 588 & 599. That is 100 less 19 ie 81. If you regard 505 as being a repetition then there a…re 9 less overall.

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In Technology

# Can You Use digital copy on more than one computer?

It depends on the terms and conditions of the product.