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1. Given: the standard representation 753864293 Write the expanded representation of this number. My answer: 7 hundred million, 5 tens millions, 3 million, 8 hundred thousand, 6 thousand, 4 thousand. 9 tens, 3 ones
2. Given: the expanded representation 7·1 + 5·100 + 3·1000 + 8·1000000 Write the standard representation of this number. My answer: 7·1 + 5·100 + 3·1000 + 8·1000000 7·1=7 5·100=500 3·1000=3000 8·1000000=8000000 and adding the numbers: 7+500+3000+8000000=8003507
Binary positional numerical system 3. Given: the standard representation 1010111000 Write the expanded representation of this number. My answer: 1 billion, o hundred million, 1 ten million, 0 million, 1 hundred thousand,1 tens thousands, 1 thousand, 0 hundred, 0 tens, 0 ones
4. Given: the expanded representation 1 ·1 + 0 ·2 + 1 ·16 + 1·128 Write the standard binary representation of this number. my answer: 1 ·1 + 0 ·2 + 1 ·16 + 1·128 1 ·1 + 0 ·2 + 1 ·16 + 1·128 1 ·1=1 =1+0·2+1·16+1·128 0·2=0 =1+0+1·16+1·128 1·16=16 =1+0+16+128 1·128=128 =1+0+16+128 1+0=1 =1+16+128 1+16=17 =17+128 17+128=145 final answer:145
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