The approximations of 649,418 are as follows;
Nearest ten = 649,420
Nearest hundred = 649,400
Nearest thousand = 649000
Nearest ten thousand = 650000
Nearest hundred thousand = 600000
Units digit is 8
Tens digit is 1
Hundreds digit is 4
Thousands digit is 9
Ten thousands digit 4
Hundred thousands digit is 6
1) Approximating the nearest tenmeans if the units digit is 5 or more than 5, we add 1 to the tens digit. In this case, we will have; 649,420.
2) Approximating thenearest hundred means if the tens digit is 5 or more than 5, we add 1 to the hundreds digit otherwise we leave it and make every other term to its' right 0 to get; 649,400.
3) Approximating thenearest thousand means if the hundreds digit is 5 or more than 5, we add 1 to the thousands digit otherwise we leave it and make every other term to its's right 0 to get; 649,000.
4) Approximating thenearest ten thousand means if the thousands digit is 5 or more than 5, we add 1 to the ten thousand digit to get 650,000.
5) Approximating the nearest hundred thousandmeans if the ten thousand digit is 5 or more than 5, we add 1 to the hundred thousand digit otherwise we leave it and make every other term 0 to get 600,000.
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The requried 159 million million million is equivalent to and in standard 159,000,000,000,000,000,000,000.
To write 159 million million million, we can use scientific notation to represent the large number more conveniently. In scientific notation, the number is written as a coefficient multiplied by a power of 10.
159 million million million is equivalent to 159 multiplied by 1 million, which itself is equal to . Therefore, we can write 159 million million million as:
159 × 1,000,000,000,000,000,000,000 (6 zeros for million, 6 zeros for million, and 6 zeros for million)
In scientific notation, this is written as:
So, 159 million million million is equivalent to .
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