841 = (8 x 10^2) + (4 x 10^1) + (1 x 10^0)
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534 = (5 x 102) + (3 x 101) + (4 x 100)
37,169 in expanded form using exponents = (3 x 10^4) + (7 x 10^3) + (1 x 10^2) + (6 x 10^1) + (9 x 10^0)
I would say they are in standard form, but I would be more likely just to ask you to write a simplified number without using exponents. The terminology can vary, but the following example shows the usual names: 1,023 is in standard form. One thousand twenty-three is in word form. 1000 + 20 + 3 is in expanded form.
86,000,000 in expanded form with exponents is written as (8 x 107) + (6 x 106) + (0 x 105) + (0 x 104) + (0 x 103) + (0 x 102) + (0 x 101) + (0 x 100).
To write 841 in exponents in expanded form, you would express it as ( 841 = 29^2 ). This is because 29 multiplied by itself (29 x 29) equals 841. In exponential form, the base is 29 and the exponent is 2, representing the number of times the base is multiplied by itself.