account number

A bank issues 10-digit account numbers to its customers. Each number is an even number, which starts with 9. Repetition of digits is not allowed. How many such numbers are possible? => 201,600 or 161,280 or 40,320 or 403,200..

The number of accountants of a village in the last 4 decades is given in the table. Determine the range of the number of accountants in the village. Year Number of accountants 1960 66000 1970 86000 1980 102000 1990 135000 => 69000 or 71000..

Charges on credit card account are $8.56, $12.31, $34.20, $121, $203.78. Estimate the total bill for the charges by rounding each number to the nearest dollar. => $461 or $385 or $370 or $380..

Jim deposited $20 initially in his bank account. Then he deposited $15 every week. The total savings c = 20 + 15 n , n represents the number of weeks he deposited money in the bank. Identify the table that best represents the equation. => Table 2 or Table 4 or Table 1 or Table 3..

Andrew deposited $20 initially in his bank account. Then he deposited $15 every week. The total savings, ' c ' is represented by the equation, c = 20 + 15 n , where ' n ' denotes the number of weeks. Which table of values satisfies the equation? => Table 2 or Table 1 or Table 3 ..

The whole mass of an atom is due to the nucleus, which means that the nucleus must contain protons equal to the mass of the atom. As the number of protons is equal to the atomic number, the atomic mass should be equal to the atomic number. But for all atoms except hyd..

A chemical equation is a "balanced account of a chemical transaction." In any chemical transaction or reaction, the number of atoms of all the participating elements will remain proportionately constant before and after the reaction (The Law of Conservation of Mass..

Identify the situation that represents the inequality, b > 250. => There were 5 dimes in Sam′s collection. or Four less than a number plus eight equals thirty-two. or The sum of fourteen and a number is twenty. or The balance in Sunny′s account is more t..

Some important group trends are: (a) On account of high ionization enthalpies, simple M 4 + ions of the group are not known. (b) Unlike carbon the other elements of the group form compounds having coordination numbers higher than 4 like (SiF 5 ) - , (SiF 6 ) 2 ..

Chemical Equations - A chemical equation is a "balanced account of a chemical transaction." In any chemical transaction or reaction, the number of atoms of all the participating elements will remain proportionately constant before and after the reaction (The Law of Conservation ..