Question

the mass of a grain of sand is 8.7*10^-8

write the nurmeral in secentence in standard form.
1 = 10^0
.1 = 10^-1 = 1/10
.01 = 10^-2 = 1/100
.001 = 10^-3 = 1/1000
.0001 = 10^-4 = 1/10000
.00001 = 10^-5
.000001 = 10^-6
.0000001 = 10^-7
.00000001 = 10^-8 note move decimal point 8 spaces to right to get 1

.00000001 * 8.7 = .000000087

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