1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
hjlf
3 years ago
9

I dont understand how to combine positive and negative exponents. For example how would i solve 4 to the third power times 4 to

the negative 4 power?
Mathematics
1 answer:
frutty [35]3 years ago
8 0

Answer: 1/4

Step-by-step explanation:

If you are multiplying exponents that have the same base(the are both 4 to...),

keep the base the same, and add the exponents. In this case, 4^3*4^-4 would come out to 1/4. You never never never never want negative exponents. To get rid of them, use the recipricole. 4^-4 is the same as 1/256.

If the bases are not the same and the exponents are the same, do this:x^a*y^a=(xy)^a. Multiply the bases together, and keep the exponent the same.

You might be interested in
8. Mark chose a number between 0.437 and 0.436 and multiplied it by 4. Then, he
Dvinal [7]

Answer:

y=¾(4x-20)

y=3x-15

Final answer= y - 3(x+12)

=y - 3x-36

=3x-15-3x-36

= -51

5 0
3 years ago
Read 2 more answers
YOU KNOW THAT THE SUM OF THE ANGLES IN A QUADRILATERAL IS 360 DECREES. HOW CAN THIS HELP YOU REMEMBER THAT THE SUM OF THE ANGLES
gtnhenbr [62]

Answer:

that can help because all you need to remember is that the sum of the angles in a triangle is half of the sum of the angles that add up in a quadrilateral.

5 0
2 years ago
A fish tank is 60% if the way full when it has 25 gallons. How many total gallons can the fish tank hold ?
sdas [7]
The tank can hold 31.8 gallons of water.
3 0
3 years ago
Pollution Rates Assignment
stepan [7]

Answer:

1. a) 4.8 lb

I) 8%

II) 0.384 lb

2. a) 12.5 lb

I) 8%

II) 1 lb

Step-by-step explanation:

Let's begin by listing out the given variables:

mass of pesticide (m) = 12 lb,

40WP (40 weight percent) means the active ingredient comprises 40% of the total mass of the pesticide

a) amount of active ingredient = mass of the pesticide * weight percentage of the active ingredient

x = 12 * 40% = 12 * 0.4

x = 4.8 lb

I. If the soil has an absorption rate of 92%, that means 8% will go into the run-off

The percentage of active ingredient that will end up in the run-off = the percentage of the active ingredient (100%) - the absorption rate

y = (100 - 92)%

y = 8%

II. amount of of active ingredient that will end up in the run-off = amount of active ingredient * the percentage of active ingredient that will end up in the run-off

z = x * y = 4.8 * 8% = 4.8 * 0.08

z = 0.384 lb

2. Let's list out the variables given, we have:

mass of pesticide = 25 lb, weight percent of active ingredient = 50% = 0.5

amount of active ingredient = mass of the pesticide * weight percentage of the active ingredient

x = 25 * 0.5

x = 12.5 lb

I. If the soil has an absorption rate of 92%, that means 8% will go into the run-off

The percentage of active ingredient that will end up in the run-off = the percentage of the active ingredient (100%) - the absorption rate

y = (100 - 92)%

y = 8%

II. amount of of active ingredient that will end up in the run-off = amount of active ingredient * the percentage of active ingredient that will end up in the run-off

z = x * y = 12.5 * 8% = 12.5 * 0.08

z = 1 lb

7 0
3 years ago
It says: Find the surface area of the rectangular prism with l=16 m, w=19 m, annd h = 2 m
ratelena [41]
The surface area of a rectangular prism needs an formula.
For a rectangular prism you have to understand some about the shape.
It is a 3D shape consisting of 6 sides
all are rectangles
to determine the area of one rectangle is the base multiplied by the height or in this case length times with.
but you also need to account for all sides and the height.
so the Surface area formula would be like
sa = l \times w + l \times h + w \times h
this accounts for 3 of the sides of the rectangular prism.
the top,bottom,and side.
so to get the surface area of a rectangle prism you must mutiply each side by 2 to account for all sides of the rectangular prism.
so the surface area formula for a rectangular prism is
SA = 2\\  \times l \times w +2 \times l \times h+2 \times h \times w
I won't solve it for you but just plug in your values for l,w,and h into that formula and you will get your answer in metres squared or m
{m}^{2}
8 0
3 years ago
Read 2 more answers
Other questions:
  • A number line is numbered in tenths Describe where you would plot √87.35
    10·1 answer
  • 74,137 rounded to the nearest thousands is
    12·1 answer
  • Please help
    12·1 answer
  • I need help on this algebra oneeeee
    6·1 answer
  • 5x+(6x divided by -9)<br><br> Who ever answer’s this i will mark brainliest
    5·1 answer
  • Factor the following expression completely. 6x^2 — 3x-8x+4​
    6·2 answers
  • Whyyyyyy does math suck help meeee plzz
    11·2 answers
  • Please help, I will give brainlist
    9·1 answer
  • Lea is making a mosaic picture that is 3/4 foot tall and 11/12 foot wide what is the area of her mosaic
    8·2 answers
  • How many solutions are in 10(x + 4) – 3 = 14x + 1
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!