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Q: What is the four digit number in which the first digit is one-fifth the last and the second and third digits are the last digit multiplied by three?

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900

Count the number of digits after the decimal point in the first number being multiplied. Count the number of digits after the decimal point in the second number being multiplied. Add the two numbers. This is the number of digits after the decimal point in the answer. But make sure that any trailing 0s are included. To calulate 0.42 * 3.451: 41*3451 = 144942 Digits after point in first number = 2 Digits after point in second number = 3 2 + 3 = 5 So digits after point in answer = 5 So answer = 1.44942 But To calulate 0.42 * 3.45: 42*345 = 14490 <<< it is vital that the last 0 here is kept till the last stage. Digits after point in first number = 2 Digits after point in second number = 2 2 + 2 = 4 So digits after point in answer = 4 So answer = 1.4490 = 1.449

The second three digits in a phone number refer to an exchange. An exchange includes several thousand people or phones.

If you have a check, your account number is at the bottom. It's the second number in this set of three numbers. The first (about 9 digits) is the bank's identification number, the second is your account number (about 13 digits) and the third is the check number.

first step;group the digits into two. second step ;think of a number that when you multiplied by itself,the answer is smaller than the first group of a digits; third step ; multipied your answer by 20', in short, this can be done by trial and error method

If the second number is divisible by 6 then neither first nor second number is odd.

That number is to the second power, or squared.

Divide the first number into the second number for the answer.

In a multiplication sum, the first number, the number to be multiplied by another number, is called the multiplier. The second number is called the multiplicand, and the answer is called the product.

Not necessarily. Consider 444. The digits are not different. The first and second digits are not multiples of 3 The first digit is not greater than the second digit. In spite of all that, 444 is a 3-digit number

That would be a multiplier if you mean the first number and the multiplicand if you mean the second number.

2 to the second power means 2x2 (also written as 2^2) which equals 4. The big number is what you’re actually multiplying and the small number at the top (exponent/power) is how many times you’re multiplying it.

you just carry the first number and add 5 to the second number

The number of strings of four decimal digits that have exactly three digits which are nine is the number of ways to choose three places to choose the nines multiplied by the number of possibilities for the other digits (because you can put all of the possibilities in an array so that each column has a different way of arranging the nines and that each row has a different set of other digits (because they do not affect each other)). The number of ways to choose the three places to choose the nines is the same as the number of ways of choosing 4-3=1 spot for there not to be a nine. The number of ways of choosing 1 spot where there are 4 spots is 4 (the first, the second, the third, or the fourth). Since there are 9 digits that are not nine, the number of choices for the other digits is 9 (since there is only one digit). Thus, there are 4*9=36 strings of four decimal digits that have exactly three digits which are nine.

The product of a given number and another number is the first number multiplied by the second.

There are 10 digits from which the first number can be selected, 10 digits from which the second number can be chosen and 10 from which the third number can be picked. This gives you a total number of combinations of 10 x 10 x 10 = 1000.

just add to the first number the number of zeros from the second number1000000000000

You can find it on the left side of the size of the tire. It will follow the DOT number in a square and made of 4 digits. First two digits are the number of weeks and the second two digits are the year of manufacturing.

146..4 is the second largest digit from a no

The number of columns in the first matrix must equal the number of rows in the second.

Any number raised to the second power means it is multiplied by itself two times. Thus 6 to the second power is: 6x6=136

The last number in the electron configuration, or group #. If the group number is double digits, it is the second number

In a sum such as 6 x 3 = 18, the first number is the multiplier, the second number is the multiplicand, and the answer, the final number, is the product.