A) Work out (5 x 10^3)x(9 x 10^7) Give your answer in standard form.

Mathematics

1 answer:

Marina86 [1]3 years ago

8 0

Answer:

45000000000

Step-by-step explanation:

when multiplying exponents, you multiply base numbers with no exponent (9 and five in this case) and numbers with exponents (10 in this case). 9 X 5 is 45 and 10 to the power of 7 times 10 to the power of 2 is 10 to the power of 9 or 1000000000. 45 X 1000000000 is 45000000000.

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