Answer Key 1.7
- Solutions:
- 6 − 4 ≠ 4
- 5 + 4 = 9
- 0 + 4 = 4
- 8 − 4 = 4
- Are the following statements true?
- Letters A, B, C & D do not appear anywhere in the spellings of 1 to 99.
True — but also J, K, L, P, Q & Z. - Letter D appears for the first time in “hundred.”
True. - Letters A, B & C do not appear anywhere in the spellings of 1 to 999.
True. - Letter A appears for the first time in “thousand.”
True. - Letters B & C do not appear anywhere in the spellings of 1 to 999 999 999.
True. - Letter B appears for the first time in “billion.”
True. - Letter C does not appear anywhere in any word used to count in English.
False.
- Letters A, B, C & D do not appear anywhere in the spellings of 1 to 99.