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How do you prove that 1021 is the multiplicative inverse of 2.1?
A multiplicative inverse (or reciprocal) is a number 1/x which when multiplied by x yields the multiplicative identity (1). 2.1 = 2 and 1/10 = 21/10 21/10 x 10/21 = 210/210 = 1
What is 5 to the 21st power mulitplied by 4 to the 11th power?
(5)21 x (4)11 = (5)11 x (5)10 x (4)11 = (5)10 x (5 x 4)11 = (5)10 x (20)11 =(5)10 x 20 x (20)10 = 20 x (5 x 20)10 = 20 x (100)10 = 2 x (10)1 x (10)20 =2 x (10)21 = 2,000,000,000,000,000,000,000
What is the value of x in 6 over 21 and 10 over x?
x=35How I got the answer:What is the value of x? Given the following:6/21 = 10/xFirst cross mutiply6 * x = 6x = 10 * 21so 6x = 210Then divide both sides by 6 and you'll get x=35Proof x = 35:6 / 21 = 0.285714286,10 / 35 = 0.285714286, and 0.285714286 = 0.285714286.
If x equals 2 and y equals 7 then 5x plus 3y equals?
x=2 y=7 5x+3y= 5 7 x 2 x 3 ____ _____ 10 21 21 + 10 _______ 31
How much can 2 go into 21?
10 times with 1 remaining 21 - 1 = 20 = 2 x 10
What is -10 equals x-21?
x-21 = -10 x = -10+21 Solve for x... -10+21= x x=11 Plug 11 into original equation and see for yourself! Dana from USM in MS. x = 11
What is 21 times 10?
21 x 10 = 210
What do the roman numerals XXI stand for?
21. X=10 X= 10 (10+10=20) I=1 therefore 21
whats 9+10?
19
If two numbers are written in scientific notation how can you tell which is the greater number?
The number with the greater coefficient and/or exponent is the greater number. n x 10^E where "n" is the coefficient, and "E" is the exponent. examples: 1.23 x 10^21 > 1.23 x 10^20 1.22 x 10^21 > 1.21 x 10^21 1.22 x 10^21 > 1.22 x 10^-21 see http://www.fordhamprep.org/gcurran/sho/sho/lessons/lesson25.htm for reference.
How many times does 21 go into 222?
10 x 21 = 210 with a remainder of 12
What is the Euclid's ladder for 10 and 21?
21 - (10 x 2) = 110 - (1 x 10) = 0For the values: 10 and 21The LCM is: 1
The average of 10 numbers is 12 if one number is removed the average is 11 what number is removed?
(10[12]) - x = 11(10-1)120 - x = 99-x = 120 - 99-x = -21-x(-1) = -21(-1)x = 21So, the answer is 21.
what 10 x-11?
21
What are the release dates for X-Play - 2003 2009-10-21?
X-Play - 2003 2009-10-21 was released on: USA: 21 October 2009
What are the release dates for X-Play - 2003 2010-10-21?
X-Play - 2003 2010-10-21 was released on: USA: 21 October 2010
How can you do 12 times 21 mentally?
10 x 21 = 210 2 x 21 = 42 210 + 42 = 252 12 x 21 = 252
