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erica [24]
3 years ago
11

20. Which problems will have two decimal places in the product?Mark all that apply.531 x 107.4 x 10(A) 5 X 0.89E 3.2 x 43(D) 6.1

x 3

Mathematics
1 answer:
Schach [20]3 years ago
7 0
A and E When you multiply any equation with a decimal you add that many decimal places in the end. Ex: If you multiply 4.12×5.8 there will be 3 decimal places in the product because 4.12 had 2 decimal places and 5.8 had 1 decimal place and 2+1=3. The only exception is when you multiply a decimal with a number that ends with a 0 and is not a decimal like 10, 20, 30, 100, 1000, etc. If this is the case then put the decimal where it would have been and then move it right the same number as you have 0s. Ex: 1000× 5.82 would have been 5.82000*, but becomes 5,820.00*, which really is 5,820*. *continuous 0s after a decimal is unnecessary and will probably make you lose points on a test, but I was trying to prove a point
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What is P-6 equal.
katovenus [111]

Answer:

Step-by-step explanation:

P-6 is an expression, your question is incomplete.

6 0
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Alex drew a shape that belongs to both the category of rhombuses and the category of rectangles. Alex said the most specific nam
Nina [5.8K]

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Step-by-step explanation:

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3 years ago
A pool in the shape of s rectangle has a perimeter 80 feet. The pool is 8 feet less wide than it is long
kykrilka [37]
So, 80 - 8. equals 72 / 2  = 36... then add 36 + 8 to one and you have 44...
44 for length and 36 for width 
3 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP I NEED THIS DONE ASAP!!!
zubka84 [21]

Answer:

The value of x is 12.

Step-by-step explanation:

Given that perimeter is found when all sides are added together. So we can assume that all side lengths add together will give you 134 imches :

x + 2x + 5 + 6x - 17 + 3x + 2 = 134

12x - 10 = 134

12x = 134 + 10

12x = 144

x = 144 \div 12

x = 12

6 0
3 years ago
Read 2 more answers
Find the geometric sum 4 + 12 + 36 + . . . + 236,196.
Zolol [24]
The answer choices are sufficiently far apart that you can work this backward. The sum will be ...
  236,196*(1 + 1/3 + 1/9 + 1/27 + ...)
so a reasonable estimate can be given by an infinite series with a common ratio of 1/3. That sum is
  236,196*(1/(1 - 1/3)) = 236,196*(3/2)

Without doing any detailed calculation, you know the best answer choice is ...
  354,292


_____
There are log(236196/4)/log(3) + 1 = 11 terms* in the series, so the sum will be found to be 4(3^11 -1)/(3-1) = 2*(3^11-1) = 354,292.

Using the above approach (working backward from the last term), the sum will be 236,196*(1-(1/3)^11)/(1-(1/3)) = 236,196*1.49999153246 = 354,292

___
* If you just compute log(236196/4)/log(3) = 10 terms, then your sum comes out 118,096--a tempting choice. However, you must realize that the last term is larger than this, so this will not be the sum. (In fact, the sum is this value added to the last term.)
3 0
3 years ago
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