1Which comparison is true?
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Answer: 45 < 54
45 < 54 is the true comparison. Compare tens first. 45 has 4 tens and 54 has 5 tens; 4 tens is less than 5 tens, so 45 < 54. Reversing digits and comparing incorrectly (as in choices C, D, and A) leads to false statements.
45 < 54 is the true comparison. Compare tens first. 45 has 4 tens and 54 has 5 tens; 4 tens is less than 5 tens, so 45 < 54. Reversing digits and comparing incorrectly (as in choices C, D, and A) leads to false statements.