How to write twelve thousand twelve hundred and twelve?

Q. Write the numeral for each of the following numbers:
(i) Nine thousand eighteen
(ii) Fifty-four thousand seventy-three
(iii) Three lakh two thousand five hundred six
(iv) Twenty lakh ten thousand eight
(v) Six crore five lakh fifty-seven
(vi) Two crore two lakh two thousand two hundred two
(vii) Twelve crore twelve lakh twelve thousand twelve
(viii) Fifteen crore fifty lakh twenty thousand sixty-eight

Q. Select the bubbles which represent Twelve Thousand Three Hundred Twenty-One and Three Hundredths.

Q. Write each of the following in numeral form:

(i) Eight million seven hundred eight thousand four.
(ii) Six hundred seven million twelve thousand eighty four.
(iii) Four billion twenty five million forty five thousand.

Q. Which signs correctly compare the given quantities?
(One hundred eleven thousand one hundred eleven) mL ____ (One hundred twenty-one thousand one hundred twelve) mL_____ (800,000 + 40,000 + 2000 + 300 + 50 + 2) mL

Q. Twelve pairs of ribs and twelve pairs of cranial nerves are found in