Remark work with the two numbers that are 10^4 first. Then add in the one that goes to 10^3
Method one
You could change these all to integers and then take it back to scientific notation.
83 000
<u>-19 000</u>
64 000
<u>- 2 500
</u> 61 500 <u /><<<<<< answer
Method two
Keep the scientific notation.
8.3 * 10^4
<u>-1.9 * 10^4</u>
6.4 * 10^4
<u>- .25*10^4</u> Note the powers of ten must be the same.
6.15*10^4 <<<<<<<< answer
<u>
</u>Either method works.
<u>
</u>You could use your calculator to get the right answer. I'm not sure all calculators retain the scientific notation. Test yours to see what it does. Enter 8.3*10y^x 4 *1 =
<u>
</u>Your calculator might have x^y or ^ to record powers. You may also have EE and one of your keys.
<u>
</u>See if your calculator returns 8.3*10^4 or if it returns 83000<u>
</u>
If you need the radius or height I will send another picture
Answer:
<u>Yes they are equivalent.</u>
Step-by-step explanation:
Use PEMDAS: Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction
Distribute or multiply -3 with 2p and 4 to get -6p and -12.
You will then have 18-6p-12-3p, simplify to get 6-9p
For the second equation multiply 3 with 2 and -3p, you will then get 6-9p as well.
They are equal, hope the helps ;)
Answer:
20.5 cm
Step-by-step explanation:
I just used Pythagorean theorem in which c^2=a^2+b^2
so this is c^2= 225 + 196 and then you get c^2= 421 and finally you get the square root of 421 so this way you finally get 20.5 cm
Answer:
3/8 room
Step-by-step explanation:
Given data
We are told that 2 rolls of wire are needed to wire 1 room
Hence if 1 room needs 2 rolls
x rooms will need 3/4 rolls
cross multiply we have
2x= 3/4
Multiply both sides by 1/2
x= 3/4*1/2
x= 3/8 room
