Question

Which of the following numbers is in the standard form?
а) 21.56 х 105
c) 2.156 х 105
b) 215.6 X 105
d) 2156 х 105
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Answer 1

Answer:

d)2156×105

Step-by-step explanation:

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Answer 2

$\huge{\mathfrak{\underline{\red{answer}}}}$

$2.156 \times {10}^{5}$

the number which is being multiplied by the powers of 10 should be between 0 to 10