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Attempt following question by selecting a choice to answer.
Which number is shown by the blocks?cccc DDDD
Step 1: From the place-value blocks shown, there are 3 hundreds = 300, 1 ten = 10, and 5 ones = 5.
Step 2: So, the number of blocks shown by the place-value blocks is 300 + 10 + 5 = 315.