How to Add or Subtract Numbers in Standard Form (Part 4/4) #26 

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3:32 but isn’t the 0.42 x 10^6 not in standard form, since the 0.42 is less than 1?

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Hi this was great, made life so much easier, but do you have any videos dealing with subtracting negative numbers in standard form i.e (-4.5 x 10) - (7.3 x 10) [10 with neg powers]

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What about square roots and etc?

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{ 0.42 x 10⁶ } this isn't a standard form. Is this correct?

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