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Alborosie
3 years ago
8

10(h+1)-4=76 solve variable. include steps, also check your answer!

Mathematics
1 answer:
kvasek [131]3 years ago
8 0

Answer:

10h + 10 - 4 = 76;

10h + 6 = 76;

10h = 76 - 6;

10h = 70;

h = 70 ÷ 10;

h = 7;

Check: 10 · ( 7 + 1 ) - 4 =

10 · 8 - 4 =

80 - 4 =

76 TRUE

Step-by-step explanation:

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3 years ago
48,919 ÷ ? = 489.19<br> 489,190 ÷ 1,000 =?<br> 4,891,900 ÷ ? = 489.19<br> ? ÷ 100,000 = 489.19
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Answer:

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  • 10,000
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Each factor of 10 in the divisor causes the decimal point to move 1 place to the left.

a) The decimal point has moved 2 places to the left. The divisor is 10^2 = 100.

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c) The decimal point has moved 4 places to the left, so the divisor is 10^4 = 10,000.

d) The divisor is 10^5, so the decimal point in the quotient if 5 places to the left of where it is in the dividend. Moving the quotient's decimal point 5 places to the right gives ...

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_____

<em>Additional comment</em>

An exponent signifies repeated multiplication. Here, we're concerned with repeatedly multiplying (or dividing) by factors of 10. The exponent indicates the number of factors: 10·10 = 10^2 = 100. It also matches the number of zeros following the 1 in the product. 1000 = 10^3 has 3 zeros after the 1, for example.

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