Question

Evaluate the following and express the answer as a rational number in its standard form.
3 to power -5 multiplied by 7 to power -3 multiplied by 2 to power 2 divided by 21 to power -3
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Answer 1

Answer:

The number 104 is read as 10 raised to the power of 4 or simply as the fourth power of 10. ... Taking Power of a Power; Multiplying Powers with the Same Exponents; Dividing ... Such a form of a number is called its standard form. ... (ii) t × t= t2. (iii) b × b × b × b = b4. (iv) 5 × 5 × 7 × 7 × 7 = 52 × 73. (v) 2 × 2 × a × a = 22 × a2.

Step-by-step explanation:

Answer 2

Step-by-step explanation:

this is the answer hope you understand