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  • 2019 June(B02) Math Question 15

    Exponents, Radicals, & Scientific Notation

    - Exponent Expressions

    Choice D

    This special savings account will double every 5 years.

    $$ \because 40\ years = 5\ years\times 8 $$

    Therefore, this account will double 8 times.

    $$ $2000\times 2^{8}=$2000\times256=$512000 $$

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