What is 11 9/10 plus 3 1/20 simpilied

Answers

Answer 1

Answer: 11 9/10 + 3 1/20

(11 + 3 ) = 14

9/10 + 1/20 9/10 *2/2 = 18/20

=18/20 + 1/20 = 19/20

Total = 14 19/20.

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What is the difference between a prime number and a complex number?

Answers

"Prime"and "complex"are not opposites. If a number is a prime, then it has
exactly two factors ... ' 1 ' anditself. If it has any more factors, then it's not
a prime number, it's a"COMPOSITE" number.

(If a number is not a 'complex' number, then it's a REAL number.)

A Prime number is a number is a number which cannot be divided by any numbers except for itself and one to give an integer

A Complex Number is any number containing Real and Imaginary parts ( $Imaginary= √(-1)=i$

One grain of sand weighs 0.0007g. How many grains of sand are in 6300kg. Leave your answer in standard form

Answers

Final answer:

To find out how many grains of sand are in 6300kg, you need to first convert the weight from kg to g and then divide the total weight by the weight of one grain of sand. In this case, the answer is 9 × 10¹³ grains of sand.

Explanation:

To answer your question, we first need to convert the weight from kilograms (kg) to grams (g) since the weight of a grain of sand is given in grams. There are 1,000,000 grams (g) in a kilogram (kg), so 6300kg is equal to 6,300,000,000g (or 6.3 × 10⁹ g in standard form).

Next, we divide the total weight in grams by the weight of a single grain of sand to find the number of grains in the given weight. So, if one grain of sand weighs 0.0007g, we divide the total weight (6.3 × 10⁹ g) by the weight of a single grain of sand to get

9 × 10¹³ grains of sand. This means there are 9 × 10¹³ grains of sand in 6300kg.

Learn more about Weight conversion and calculation here:

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What is the lowest prime number 1,2,3,4

Answers

Hey there, well we know a prime number must have exactly two factors, which is 1 and its self. 2 is the lowest prime number because because the common divisors for 2 is 1 and 2. Therefore, 2 is the lowest prime number.

Additive primes

Primes such that the sum of digits is a prime.

2, 3, 5, 7, 11, 23, 29, 41, 43, 47, 61, 67, 83, 89, 101, 113, 131

John is twice as old as her sister Jane. Four years ago, John was three times as old.What is John’s current age?

Answers

$x-Jane\n2x-John\n\nx-4-Jane\ (4\ years\ ago)\n2x-4-John\ (4\ years\ ago)\n\n2x-4=3(x-4)\n2x-4=3x-12\ \ \ /+4\n2x-4+4=3x-12+4\n2x=3x-8\ \ \ /-3x\n2x-3x=3x-3x-8\n-x=-8\ \ \ /\cdot(-1)\nx=8\n\n2x=2\cdot8=16\n\n\nAnswer:John's\ current\ age\ is\ 16\ years.$