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Sagot :
To solve the multiplication problem [tex]\(6 \cdot \left(5 \times 10^{-3}\right)\)[/tex], let's go through the steps in detail:
1. Identify the components: We have the number [tex]\( 6 \)[/tex] and the scientific notation [tex]\( 5 \times 10^{-3} \)[/tex].
2. Multiply the coefficient by the number:
[tex]\[ 6 \cdot 5 = 30 \][/tex]
3. Account for the exponent:
When multiplying by a term in scientific notation like [tex]\( 10^{-3} \)[/tex], we need to multiply the result [tex]\( 30 \)[/tex] by [tex]\( 10^{-3} \)[/tex]:
[tex]\[ 30 \times 10^{-3} \][/tex]
4. Adjust the notation to proper scientific form:
To write [tex]\( 30 \times 10^{-3} \)[/tex] in proper scientific notation, we need to express 30 as [tex]\( 3.0 \times 10^1 \)[/tex]:
[tex]\[ 3.0 \times 10^1 \][/tex]
Now, combine this with the exponent [tex]\( 10^{-3} \)[/tex]:
[tex]\[ (3.0 \times 10^1) \times 10^{-3} \][/tex]
5. Simplify the exponents:
When multiplying exponents with the same base, we add the exponents:
[tex]\[ 10^1 \times 10^{-3} = 10^{1 + (-3)} = 10^{-2} \][/tex]
6. Final expression:
The result is:
[tex]\[ 3.0 \times 10^{-2} \][/tex]
Thus, the product [tex]\( 6 \cdot \left(5 \times 10^{-3}\right) \)[/tex] written in scientific notation is:
[tex]\[ \boxed{3.0 \times 10^{-2}} \][/tex]
1. Identify the components: We have the number [tex]\( 6 \)[/tex] and the scientific notation [tex]\( 5 \times 10^{-3} \)[/tex].
2. Multiply the coefficient by the number:
[tex]\[ 6 \cdot 5 = 30 \][/tex]
3. Account for the exponent:
When multiplying by a term in scientific notation like [tex]\( 10^{-3} \)[/tex], we need to multiply the result [tex]\( 30 \)[/tex] by [tex]\( 10^{-3} \)[/tex]:
[tex]\[ 30 \times 10^{-3} \][/tex]
4. Adjust the notation to proper scientific form:
To write [tex]\( 30 \times 10^{-3} \)[/tex] in proper scientific notation, we need to express 30 as [tex]\( 3.0 \times 10^1 \)[/tex]:
[tex]\[ 3.0 \times 10^1 \][/tex]
Now, combine this with the exponent [tex]\( 10^{-3} \)[/tex]:
[tex]\[ (3.0 \times 10^1) \times 10^{-3} \][/tex]
5. Simplify the exponents:
When multiplying exponents with the same base, we add the exponents:
[tex]\[ 10^1 \times 10^{-3} = 10^{1 + (-3)} = 10^{-2} \][/tex]
6. Final expression:
The result is:
[tex]\[ 3.0 \times 10^{-2} \][/tex]
Thus, the product [tex]\( 6 \cdot \left(5 \times 10^{-3}\right) \)[/tex] written in scientific notation is:
[tex]\[ \boxed{3.0 \times 10^{-2}} \][/tex]
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