0
Three
The key to answering this question is knowing what the mathematical term "period" means.
Period: a period is each group of digits separated by commas in a multidigit number.
Example: 30,149,258 is an 8 digit number so each part of the number separated by a comma is 1 period. {30}{149}{258}
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JudyAn eight digit number e.g. 12345678. will have two commas (periods) Iy will be written as 12,345,678
In words it is 'Twelve million, three hundred and forty five thousand, six hundred and seventy eight.
NB Starting with the 'units' digit, there will be a comma at every third digit to the left. That vis multiples of a thousand.
yazli 46689,,367790 6-789
3
What is the largest 4 digit number in base 8?
The largest 4 digit number in base 8 is 77778 (= 409510).
How many two digit number are there in which the tens digit is greater than the ones digit?
If the first digit is 9, you have 9 options (0-8) for the second digit. If the first digit is 8, you have 8 options (0-7) for the second digit. Etc. This leaves you with the arithmetic series: 0 + 1 + 2 + 3 + ... + 9.
When this 3 digit number is rounded to the nearest ten the sum of its digits is 16 hundreds digit of this number is 8 and the ones digit is 5 what is the number?
875 rounded to nearest ten is 880 8+8+0 is 16
Which digit in 4.628 has the least value?
The number 8 in that question is the number with the least amount of value (0.008).
What is a five digit number that is divisible by 8?
12008
