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Need help with algebra problem

Need help with algebra problem
asked 146k views
5 votes
Need help with algebra problem

Need help with algebra problem-example-1
asked
User Sdrevk
by
8.4k points

1 Answer

5 votes

Answer:


option \: d \: 4.2 * {10}^( - 3)

Explanation:

Multiplication,


= 8.4 * {10}^( 8 ) * 5 * {10}^( - 11) \\ = 8.4 * 5 * {10}^(8 + ( - 11)) \\ = 4.2 * {10}^(8 - 11) \\ = 4.2 * {10}^( - 3)

answered
User Yamiko
by
8.0k points
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