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I have never heard of compatibility. I'll guess
28 is close to 30,,,, (30 - 2)
87 is close to 90,,,, (90 - 3)
SO 28x87 = (30-2)(90-3) now FOIL
= 30x90 + 30x(-3) + (-2)x90 + (-2)x(-3)
= 2700 - 90 - 180 + 6
= 2436
Wiki User
∙ 11y ago
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What is 28 times 87?
28 x 87 = 2436
What is 87 percent of 2800?
It's 2436: 2800 / 100 = 28, 28 x 87 = 2436 87 percent of 2800 is 0.87 x 2800 = 2436
What is the prime factorization of 87 using exponent?
31 x 291 = 87
Find the prime factors of 87 using prime factorization?
The prime factors of 87 are 3 x 29
How do you use the force to build in the quest for r2 d2?
Using Z+X (z and x together) does not work. Using IE9 (compatibility view) or Google Chrome.
What is the LCM of 30 and 87 using prime factorization?
2 x 3 x 5 = 30 3 x 29 = 87 2 x 3 x 5 x 29 = 870, the LCM
What is the prime factorization using exponents of 28?
28 = 22 x 71
What number is divisible by 87?
Take any multiple of 87, and you get a number that is divisible by 87 - for example:87 x 0 87 x 1 87 x 2 87 x 3 ... 87 x (-1) 87 x (-2) ...
What are the multiples of 87?
Just multiply 87 by any integer! For example, the result of each of the following calculations will give you a multiple of 87: 87 x 0 87 x 1 87 x 2 87 x 3 87 x 4 87 x (-1) 87 x (-2) etc.
What is the prime factor of 87 using exponential notation?
31 x 291
What is factorization of 28 using exponents?
22 x 7 = 28
What x what equals 87?
1 x 87, 3 x 29 = 87
