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4 years ago

Round each number to the nearest hundredth and the nearest thousand

Mathematics

1 answer:

Mandarinka [93]4 years ago

6 0

If the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up (+1).

If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down (no change).

$23,315\approx23,300\approx23,000\\\\63,756\approx63,800\approx64,000\\\\556,299\approx556,300\approx556,000\\\\5,673,356\approx5,673,400\approx5,673,000\\\\8,945,457\approx8,945,500\approx8,945,000$

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First, convert $2 \frac{3}{8}$ to improper fraction. Use this rule: $a \frac{b}{c}$ = $\frac{ac+b}{c}$ . Your problem should look like: $\frac{2x8+3}{8}$ ÷ $1\frac{1}{4}$ .
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Third, simplify 16 + 3 to get 19. Your problem should look like: $\frac{19}{8}$ ÷ $1 \frac{1}{4}$ .
Fourth, convert $1\frac{1}{4}$ to improper fraction. Use the same rule as earlier. Your problem should look like: $\frac{19}{8}$ ÷ $\frac{4+1}{4}$ .
Fifth, simplify 4 + 1 to get 5. Your problem should look like: $\frac{19}{8}$ ÷ $\frac{5}{4}$ .
Sixth, apply this rule: a ÷ $\frac{b}{c}$ = a × $\frac{c}{b}$ . Your problem should look like: $\frac{19}{8}$ × $\frac{4}{5}$ .
Seventh, apply this rule: $\frac{a}{b}$ × $\frac{c}{d}$ = $\frac{ac}{bd}$ . Your problem should look like: $\frac{19x4}{8x5}$ .
Eighth, simplify 19 × 4 to get 76. Your problem should look like: $\frac{76}{8x5}$ .
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Tenth, simplify. Your problem should look like: $\frac{19}{10}$ .
Eleventh, convert to mixed fraction. Your problem should look like: $1 \frac{9}{10}$ which is the answer.

Answer as mixed number form: $1\frac{9}{10}$ .
Answer as exact form: $\frac{19}{10}$ .
Answer as decimal form: 1.9.

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