Question

compare 7 multiply 10 raise to power minus 6 and 129 multiply 10 raise to power minus 7

Answer 1

7×10powerminus3
=>7×1/1000
=>7/1000
=>0.007
129×10power minus 7
=>129×1/10power 7
=>129/10000000
=>0.0000129

Answer 2

7 * 10⁻⁶  < 129 * 10⁻⁷

Step-by-step explanation:

We need to compare

7 * 10⁻⁶    and 129 * 10⁻⁷

to Compare both lets Make Power to the the 10 same

7 * 10⁻⁶

multiply and divide by 10

= 7 * 10 * 10⁻⁶ /10

= 70 * 10⁻⁷

now comparing

70 * 10⁻⁷    &  129 * 10⁻⁷

70 < 129

=> 70 * 10⁻⁷    < 129 * 10⁻⁷

=> 7 * 10⁻⁶  < 129 * 10⁻⁷

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