4.0 × 101
23 x 5 = 40
Exponents for the number 40 refer to expressions where 40 is raised to a power. For example, (40^2) (40 squared) equals 1,600, and (40^3) (40 cubed) equals 64,000. Exponents can also represent roots, such as (40^{1/2}), which is the square root of 40, approximately 6.32. In general, exponents indicate how many times a number is multiplied by itself.
40 = 23*5
101
811
23 x 5 = 40
40 = 23*5
40 = 23 x 5
101
811
102
419,854,000 using exponents is 4.19854 x 108
40 = 23 x 5
56
2
4.6 × 101
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