In index form, 49 can be expressed as (7^2). This notation indicates that 49 is equal to 7 raised to the power of 2. The base, 7, is the number being multiplied by itself (in this case, twice), and the exponent, 2, represents the number of times the base is multiplied by itself.
"index" is the singular form - "indices" is the plural :)
The possessive form of "index" is "index's." For example, "the index's values are displayed in alphabetical order."
The plural form of index is indices.
The plural form for the noun index is indexes.
8890 in standard index form = 8.89 × 103
40.000000 in standard index form is 4.0 × 101
Index form of 9765625 is 9.765625 × 106
5,200 in standard index form = 5.2 × 103
49/72 is in its simplest form.
10/49 is in its simplest form.
12/49 is in its simplest form.
The singular form of "indices" is "index."