Question

how do you work out (5 x 10^3) x (9 x 10^7) in standard form

Answer 1

Answer:

$(5 \times {10}^{3}) \times (9 \times {10}^{7} )\\ = > 45 \times {10}^{10} \\ = > 4.5 \times {10}^{11}$

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Answer 2

Answer:

4.5 x 10^11

Step-by-step explanation: