Ninety of them.
8 millions 12 hundred thousands 11 thousands 9 thousands in standard form is: 8,140,000
8,140,000
One billion = 1,000,000,000 There are 9 zeros Let us see: List place value columns: 1)Ones 2) Tens 3)Hundreds 4) Thousands 5) Ten Thousands 6) Hundred Thousands 7) Millions ( you can not say a thousand thousands ) 8) Ten Million 9) Hundred Million 10 Thousand Million 11 Ten thousand Million 12) Hundred Thousand Million 13) Billion (You can not say a million millions) General Rule for naming place-value columns: " You can not repeat the same denomination twice"This rule is applied after the thousands column. For example; "One. thousand thousands is improper, it is renamed "one million" CONCLUSION; A BILLION MUST HAVE 12 ZEROS such: 1,ooo,ooo,ooo,ooo "One thousand millions",proper. No need to rename it.
9 hundred thousands
To write 309,099,990, you would start with the digit 3 in the hundred millions place, followed by 0 in the ten millions place, 9 in the millions place, a comma to separate the millions and hundred thousands places, then 9 in the hundred thousands place, 9 in the ten thousands place, 9 in the thousands place, another comma to separate the thousands and hundreds places, 9 in the hundreds place, 9 in the tens place, and 0 in the ones place.
The standard form is 9,209,000
8 millions 12 hundred thousands 11 ten thousand 9 thousand in standard form is: 9,221,000
8 milions + 1200000+110000+9000= 9 319 000
15 ten thousands is essentially 1 hundred thousand and 5 ten thousands, so the number is One million and fifty-six thousand, three hundred and seven, or 1,056,307.
There are 900 hundred millions in 900,000 thousands.
In the UK there are million = 6 zeros trillion = 9 zeros billion = 12 zeros and 2 zeros in 9 hundred so 12 + 2 = 14